Zeiss Opmi cs User manual

Operation

Microscope

OPMI

CS

Instructions

for

use

G-30-1148-e

23/04/1992

Contents

Page

Notes

on

safety

..

4

Regulations

“

№

Notes

on

installation

and

usage

4

Warning

labels

and

notes

7

Description

of

instrument

.

8

General

8

Safety

devices

of

the

instrument

siner

Ål

Operation

microscope

OPMI

CS

10

Binocular

Tube

and

Eyepieces

.

12

Attaching

the

instrument

equipment

...

13

Attaching

the

microscope

...

18

Attaching

the

binocular

tube

and

the

eyeplece9

15

Mounting

the

microscope

component

ee

16

Electrical

connections

................

17

Preparations

for

surgery

.

18

Adjusting

the

click-stop

coupling

…

18

Balancing

and

adjusting

the

suspension

system

ss

UE

Adjusting

the

operation

microscope

.....................

20

Pre-surgery

checklist

...

21

690.1148

opMics

23041002

690.1146

opmics

23041992

Page

Use

of

instrument

before

and

during

surgery

........

22

Requirements

..

22

Operation

..........

ーー

22

What

to

do

in

an

emergency

23

Maintenance,

further

information

...................

24

Trouble-shooting table

........

usa

BA

Exchanging

the

halogen

lamp

on

the

carrier

arm

26

Exchanging

the

halogen

lamp

in

the

lamp

house

ー

27

Care

of

the

microscope

..............................

28

Sterilization

和

Magnifications

/

Fields

of

vew

...............

-

29

Moving

the

instrument

nac

80

Spare

pas

sorusunun

rma

maaa

rana

g2

Asopala

cisco

ο

82

Technical

data

..................................

38

Operation

Microscope

OPMICS

.......................

33

Important

for

Safety

Page

Notes

on

safety

....

ο.

Safety

devices

of

the

instrument

9

Pre-surgery

checklist

..

.

21

What

to

do

in

an

emergency

ἀ..

28

Trouble-shooting

table

...............................

24

Notes

on

safety

This

instrument

has

been

developed

and

tested

in

accordance

with

Carl

Zeiss

safety

standards

and

with

national

and

international

regulations.

A

high

degree

of

instrument

safety

is

thus

ensured.

It

is

recommended

in

these regulations

that

the

manufacturer

explicitly

informs

the

user

about

the

safety

aspects

of

operating

the

instrument.

This

chapter

contains

a

summary

of

the

most important

precautions

to

be

observed.

Further

safety

notes,

which

are

framed,

are

also

contained

in

other

parts

of

this

user's

manual.

Safety

is

only

ensured

when

this

instrument

is

op-

erated

properly.

Please

read

through

this

manual

carefully

before

turning

the

instrument

on.

You

may

obtain

further

information

from

our

service

or-

ganization

or

authorized

representatives.

Regulations

©

This

instrument

was

developed

in

accordance

with

the

following

regulations:

-

VDE

-

IEC

-UL

-

CSA

Manufacturing,

inspection,

installation

and

ser-

vice

are

done

in

accordance

with

German

and

international

regulations

(Good

Manufacturing

Practice).

©

The

instrument

must

be

connected

to

an

emergency

backup

line

supply

in

accordance

with

the

regulations

or

guidelines

which

apply

in

your

country

for

the

specific

application..

Gants

OPMI

CS

23061992

®

This

instrument

complies

with

German

and

in-

ternational

safety

standards

and

carries

the

"GS"

sign

of

approval.

©

Itis

the

duty

of

the

operator

to

ensure

that

ap-

plicable

accident

prevention

regulations

are ob-

served.

Notes

on

installation

and

usage

General

*

Do

not

operate

the

instrument

in

explosion-risk

areas.

Its

use

in

the

presence

of

volatile

anes-

thetics

or

inflammable

solvents

such

as

alco-

hol,

benzin

or

similar

chemicals

is

prohibited.

*

Do

not

station

this

instrument

in

damp

rooms.

Do

not

expose

the

instrument

to

water splash-

es,

dripping

water

or

sprayed

water.

+

Modifications

and

repairs

on

this

instrument

and

on

instruments

used

with

the

OPMI

CS

may

only

be

performed

by

our

service

repre-

sentative

or

by

other

authorized

persons,

©

The

manufacturer

will

not

accept

any

liability

for

damage

caused

by

unauthorized

persons

tampering

with

the

instrument;

such

tampering

will

also

forfeit

any

rights

to

claim

under

war-

ranty.

Only

use

this

instrument

with

the

accessories

obtained

from

us.

Only

use

other

accessory

equipment

when

the

manufacturer

or

the

man-

ufacturer

of

the

accessory

equipment

has

cer-

tified

that

its

usage

will

not

impair

the

safety

of

the

system.

Only

personnel who

have

undergone

training

and instruction

are

allowed

to

use

this

instru-

ment

It

is

the

duty

of

the

operator

to

train

and

in-

struct

all

staff

using

the

equipment.

The

operator

must

carefully read

this

user's

manual

together

with

the

user's

manuals

of

the

other

equipment.

Keep

the

user's

manuals

where

they

are

easily

accessible

at

all

times.

The framed

passages

in

this

manual

are

safety

notes

and

special

information.

Read

these

with

special

care

and

attention.

Never

look

at

the

sun

through

the

binocular

tube.

Never

pull

at

the

light

guide

cable,

at

the

pow-

er

cord

or

at

other

cable

connections.

Always

handle

the

microscope

suspension

system

cautiously

to

prevent

accidents.

This

instrument

is

a

high-grade

technological

product.

In

order

to

ensure

perfect and

safe

working

order

of

the

instrument,

we

recom-

mend

that

our

service

representative

inspects

this

instrument

on

a

regular

basis.

6-90-1148

OPMICS

23041902.

Important

before

turning

on

instrument

for

first

time

Our

service

representative

will

install

the

Operation

Microscope

OPMI

CS

onto

the

suspension

system.

He

will

check

the

following

points.

The

operator

must

ensure

that

these

points

are

observed

in

fu-

ture.

e

Ensure

that

all

mechanical

connections

(specif-

ics

in

the

user's

manuals)

which

ensure

safety

or

perform

a

supporting

function

are

correctly

fitted

and secure.

Firmly

tighten

any

parts

which

are

loose

or

not

tightened

properly.

©

Make

sure

the

voltage

the

suspension

system

is

set

for

corresponds

with

the

available

line

voltage.

©

Plug

the

instrument

only

into

a

power

outlet

which

has

a

properly

connected

ground

con-

nection.

©

Only

use

cables

and

plugs

which

are

in

good

working

condition,

©

Always

make

sure

the

instrument

and

all

ac-

cessory

equipment

is in

proper

working

condi-

tion

before

operation.

Important each

time

before

turning

on

instru-

ment

©

Go

through

the

checklist

on

page

21.

Ensure

that

all

mechanical

connections

de-

scribed

in

the

user's

manual

which

ensure

safety

or

perform

a

supporting

function

are

correctly

fitted

and secure.

Firmly

tighten

any

parts

which

are

loose

or

not

tightened

prop-

erly.

+

Re-attach

or

close

any

covers,

panels

or

caps

which

have

been

opened

or

removed.

©

Pay

special

attention

to

warning

symbols

on

the

instrument

(triangular

warning

signs

with

exclamation

marks)

and

labels

(see

figure

1).

If

any

label

is

missing

on

your

instrument,

please

contact

us

or

our

authorized

representative.

We

will

supply

the

missing

labels.

©

Do

not

cover

any

ventilation

grids

or

slits.

©

Make

sure

the

power

cable

and

the

foot

con-

trol

panel

connector

are

properly

plugged

in.

озу

OPMI

CS

2304/1002

Important

when

using

the

instrument

Important

when

you

The

long

extension

of

the

stand

base

must

al-

ways

point

in

the

direction

of

the

surgical

field.

Never

look

directly

into

the

light

source,

e.g.

into

the

microscope

objective

or

into

a

fiber

light

guide.

When

operating

on

the

eye,

always

use

eye-

protection

filter

GG

475

so

that

the

patients

eye

is

not

exposed

to

unnecessary

UV

radi-

ation,

which

damage

the

retina.

e

finished

using

the

in-

strument

Always

use

the

main

power

switch

of

the

in-

strument

to

turn

it

off,

Be

sure

to

tum

off

the

main

power

switch

when

the

instrument

is

not

in

use.

Changing

the

microscope

equipment

Clamp

the

suspension

arm

of

the

suspension

system

before

attaching

or

removing

a

compo-

nent

(microscope,

tube,

etc.).

Afterwards

the

suspension

system

must

be

re-balanced.

Warning

labels

and

notes

If

any

label

is

missing

on

your

instrument,

please

Caution:

Observe

all

warning

labels

and

notes!

contact

us

or

our

authorized

representative.

We

will

supply

the

missing

labels.

max.

Belastung

max.

load

see

instructions

SICHERUNGSSCHIEBER,

mit

Sicherheitsabstand

zum

Operationsfeld

fixieren.

SAFETY-SLIDER,

fix

at

sale

distance

from

operating

area.

IMPORTANT:

This

label

means:

Observe

the

user's

manual

max.

Belastung

max.

load

soe

instructions

Vor

Gerâtewechsel

Knopf

anziehen

Before

changing

equipment

tighten

knob.

(3041680

OPMCS

23041092

Description

of

instrument

General

(figure

2)

Operation

Microscope

OPMI

CS

is

designed

for

use

in all

microsurgical

disciplines.

Its

main

field

of

application

is

ophthalmology.

The

following

equipment

may

be

attached

at

the

upper

interface

(1):

documentation

devices

+

coobservation

tubes

a

physician's

safety

filter

when

the

microscope

is

used

in

conjunction

with

a

laser.

Various

microscope

components

with

different

types

of

illumination

systems

and

imaging

optics

may

be

attached

at

the

lower

interface

(2).

In

this

manner,

the

properties

of

the

instrument

may

be

optimized

for

the

specific

microsurgical

application.

Grips

or

an

assistants

microscope

may

be

at-

tached

at

position

(3).

This

user's

manual

describes

the

following

equip-

ment:

Operation

Microscope

OPMI

CS

-

inclinable

180°

binocular

tube,

f

=

170

mm

-

10x22B

screw-type

high-eyepoint

eyepieces

with

integrated

eyecups.

Operation

Microscope

OPMI

MD

may

be

used

on

various

suspension

systems.

This

user's

manual

describes

its

use

with

Floor

Stand

S4.

The

principle

described

in

section

“Attaching

the

microscope equipment”

applies

for

all

other

sus-

pension

systems.

000-110

OPMI

CS

2104/1902

The

following

functions

of

the

operation

micro-

scope

can

be

controlled

using

a

foot

control

panel,

a

hand

control

panel

or

an

operating

chair:

illumination

on

/

off

-

frontto-back

and

lateral

tilt.

zoom

focus.

This

user's

manual

describes

the

use

of

a

foot

control

panel.

Safety

devices

of

the

instrument

(figure

3)

Safety

slider

(1

The

safety

slider

is

used

to

limit

the

minimum

verti-

cal

working

distance

to

the

field

of

surgery.

This

setting

must

be

adjusted

before

surgery.

Switch

(3)

for

back-up

power

supply

of

the

mic:

scope

functions

This

switch

is

a

safety

feature

of

the

instrument.

If

there

is a

failure

of

the

microscope

functions

(fo-

cus,

zoom,

front-to-back

and

lateral

tit

motion),

the

back-up

power

supply

can

be

switched

on

here.

There

are the

following

differences

to

normal

op-

eration

when

the

back-up

power

supply

is

on:

-©

The

LED

switch

(3)

blinks.

-

Only

the

lamp

on/off

function

is

available

on

the

foot

control

unit.

-

The

motorized

functions

of

the

operation

mi-

croscope

(zoom,

tilt

motion)

are

controlled

over

rocker

switches

(4).

-The

microscope

functions

run

at

maximum

speed.

The

setting

underneath

cover

(2)

is

in-

active,

Back-up

lamp

module

(5

Exchanging

the

lamp

is

described

on

page

26.

‘Thermal

circuit

breakers

(6)

The

thermal

circuit

breakers

switch

off

the

lamp

modules

when

they

overheat.

If

this

happens,

you

must

correct

the

cause

of

the

overheating

and

then

press

the

thermal

circuit

breakers

back

in

after

the

lamps

have

cooled

down.

CARTE

Operation

microscope

OPMI

CS

figure

4)

1

Connector

The

electrical

supply

for

the

operation

micro-

scope

is

provided

over

this

connector.

Note:

Switch

off

the

main

switch

on

the

suspension

system

before

disconnecting

or

connecting

this

connector.

2

Microscope

rotation

shaft

Before

inserting

the

rotation shaft

of

the

micro-

scope

into

the

reception

bore

of

the

suspen-

sion

system

or

a

coupling,

lubricate

the

shaft

lightly

(e.g.

with

Vaseline).

3

Indicator

arrows

These

arrows

mark

the

focussing

range

on

the

microscope

carrier

arm

and

the

position

of

the

microscope

within

this

range.

Initial

positior

30%

upward,

70%

downward.

4

Securing

screw

When

attaching

the

binocular

tube

or

another

component,

tighten

this

screw

firmly

as

far

as

it

will

go.

5

Indication

window

for

magnification

factor

y

of

zoom

system

You

may

calculate

the

magnification

of

the

en-

tire

system

and

the

size

of

the

field

of

view

as

described

on

page

29.

6

Holder

Run

the

cable

of

connector

(1)

through

one

of

the

two

holders

on

top

of

(6.1).

7

Cable

conduit

Run

the

light

guides

through

this

cable

conduit.

This

can

be

done

easily

when

the

conduit

is

taken

off

the

microscope

first.

8

Handle

for

moving

the

microscope

A

sterlizable

grip

(8.1)

can

be

put

over

the the

handle.

8

Dovetail

A

microscope

component

can

be

attached

here.

09011408

OPM

CS

231041902

10

1

13

14

15

16

17

10

Initializing

button

Press

this

button

to

return

to

the

initial

position

of

the

focusing

range.

See

also

position

(3).

‘Securing

screw

This

screw

fastens

the

microscope

compo-

nent.

The

sorew

must

be

tightened

firmly

as

far

as

it

will

go.

Caps

When

these

caps

(located

on

both

sides)

are

removed,

handles

or

an

assistant's

microscope

may

be

attached.

Click-stop

couplini

To

tilt

the

operation

microscope

in

steps

of

30°,

pull

the

knob

out

as

indicated

by

arrow

and

push

it

down.

When

you

release

the

knob,

it

automatically

snaps

back

into

the

stop

and

the

coupling

locks.

Light

quide

holders

Press

the

light

guide

into

these

holders

to

so-

cure

them.

Handle

for tilting

the

microscope

Turning

this

handle

controls

the

tilt

to

the

front

or

to

the

back.

The motorized

movement

has

two

speed

levels.

Level

1;

slow

movement,

Level

2:

fast

movement.

A

sterilizable

cap

(8.1)

may

be

put

over

the

handle.

‘Securing

screw

This

securing

screw

retains

the

microscope

in

the

reception

bore

of

the

suspension

system

and

secures

it

from

falling

out.

Be

sure

to

screw

in

this

screw

firmly

as

far

as

it

will

go.

Dust

cap

Remove

this

cap

to

attach

the

binocular

tube

or

another

unit.

11

Gaomese

opw

cs

zaomeoz

12

Binocular

Tube

and

Eyepieces

(figure

5)

1

Knurled

knob

for

setting

interpupillary

distance

The

interpupillary

distance

is

correctly

set

when

only

one

image

is

seen

when

looking

through

both

eyepieces.

Catch

lever

for

diopter

setting

Evecup

The

cups must

be

adjusted

so

that

the

entire

field

of

view

is

visible.

4

Diopter

scale

The

eyepieces

can

be

adjusted

to

compensate

for

ametropia.

To

do

this,

push

in

catch

lever

(©)

and

turn

the

eyepiece.

The

diopter

can

be

read

off

the

diopter

scale.

Setting

the

eyepieces

is

described

on

page

20.

For

measurements

and

to

assist

focusing,

the

eyepiece

can

be

delivered

with

a

reticle

in-

stalled.

Retrofitting

a

reticle

can

only

be

done

in

the

factory

or

by

our

service

representative.

5

Screw

ring

Tighten

this

ring

firmly

when

installing

the

eye-

pieces.

(290-1148

OPMICS

23041992

Attaching

the

instrument

equipment

Not

The

principle

described

in

this

chapter

also

applies

for

all

other

suspension

systems.

Attaching

the

microscope

(figure

6)

13

Tighten

securing

screw

(1)

firmly

using

a

suita-

ble

tool

(e.g.

a

face

wrench).

Caution:

Before

using

the

instrument

and

after

re-

equipping

it,

always ensure

that

securing

screws

(1)

and

(2)

are

tightened

firmly!

Caution:

When

using

Floor

Stand

84,

the

weight

of

the

microscope

and

all

the

accessories

must

not

exceed

maximum

20

kg.

Loosen

safety

slider

(7).

Place

the

suspension

arm

(5)

in a

comfortable

position

and

tighten

star

knob

(6)

to

clamp

the

vertical

movement

of

the

suspension

arm.

Do

not

loosen

star

knob

(6)

again

until

balancing

the

suspension

arm.

Remove

securing

screw

(2).

Lubricate

the

microscope

rotation

shaft

(4)

lightly

(e.g.

with

Vaseline).

Insert

the

microscope

rotation

shaft

(4)

into

the

reception

bore

(3)

of

the

suspension

arm.

Tighten

securing

screw

(2)

firmly.

Securing

screw

(2)

must

engage

groove

(8).

This

is

en-

sured

when

securing

screw

(2)

is

flush

with

the

surface

of

the

suspension

arm.

03011406

OPMICS

23041902

e

Run

the

light

guides

into

holder

(3)

and

through

the

cable

conduit.

Note:

This

can

be

done

easily

when

conduit

(4)

is

taken

off

the

microscope

first.

*

Insert

holder

(3)

into

the

hole

at

the

top

of

the

suspension

arm.

©

Place

cable

separator

(7)

between

the

light

guides

and

press

it

into

holder

(3).

‧

Connect

cable

conduit

(4)

to

the

microscope.

14

Switch

off

the

power

at

the

suspension

sys-

tem.

Plug

in

connector

(9)

for

the

electrical

supply

of

the

operation

microscope

and_

tighten

screws

(8)

firmly.

Note:

Always

turn

the

power

off

at

the

stand

before

disconnecting

connector

(9).

Remove

screw

(1)

and

take

cover

(2)

off.

Place

the

microscope

supply

cable

into

holder

(8)

and

re-attach

cover

(2)

using

screw

(1).

220-1480

oPMics

23041002

Not

In

order

to

change

the

microscope

equipment,

the

microscope

must

be

removed

in

the

same

manner

but

in

reverse

order.

Observe

the

following

points:

+

Lower

the

suspension

arm

(11)

to

its

lowest

position

and

set the

balancing

weight

to

the

lowest

setting

(3

kg)

using

star

knob

(10).

e

Clamp

the

vertical

movement

of

the

suspen-

sion

arm

using

star

knob

(12).

Do

not

loosen

star

knob

(12)

until:

=

The

microscope

equipment

has

been

changed.

-

The

balancing

of

the

suspension

arm

is

to

be

done.

15

Caution:

Hold

on

to

the

microscope

securely

when

loos-

ening

securing

screws

(5)

and

(6)!

Attaching

the

binocular

tube

and

the

eye-

pieces

(figure

8)

Loosen

securing

screw

(17)

a

few

turns.

e

Remove

cover

(13)

and

store

it.

©

Расе

binocular

tube

(16)

onto

the

operation

microscope

and

tighten

securing

screw

(17)

firmly.

Note:

Other

components

may

be

installed

be-

tween

the

microscope

and

the

tube.

These

components

are

secured

in

the

same

manner

using

securing

screw

(17).

Caution:

Before

using

the

instrument

and

after

re-

equipping

it,

always

check

binocular

tube

(16)

and

securing

screw

(17)!

©

Screw

the

eyepieces

(14)

onto

the

eyepiece

mounts

and

tighten

knurled

rings

(16)

firmly.

Caution:

Before

using

the

instrument

and

after

re-

equipping

it,

always

ensure

that

knurled

rings

(16)

are

tightened

firmly!

Mounting

the

microscope

component

(figure

9)

©

Loosen

securing

screw

(4)

a

few

turns.

©

Pull

off

dust

cover

(5)

to

the

back

and

store

it.

©

Insert

the

microscope

component

into

the

dovetail

of

the

operation

microscope

and

slide

it

in

as

far

as

it

will

go.

Catch

lever

(1)

must

audibly

click

in

twice.

+

Reztighten

securing

screw

(4)

firmly,

Catch

le-

ver

(1)

and

securing

screw

(4)

now

prevent

the

microscope

component

from

coming

off

acci-

dentally.

Caution:

Before

using

the

instrument

and

after

re-

equipping

it,

always ensure

that

securing

screw

(4)

is

tightened

firmly!

©

Insert

the

light

guides

(3)

into

the

light-guide

sockets

(2).

The

light

guides

are

color-coded

at

the

stand

end

so

that

they

cannot

be

con-

fused.

The

light

guide

must

be

installed

so

that

the

microscope

can

be

rotated and

tilted

with-

out

stretching

the

light

guide.

İf

necessary

ad-

just

the

position

of

the

light

guide.

(630-1148

OpMICS

23041092

16

©

To

change

the

microscope

component,

loosen

securing

screw

(4)

a

few

turns,

Press

catch

le-

ver

(1)

and

pull

off

the

microscope

component

completely.

Store

the

component

not

in

use

in

a

dust-free

location.

Note:

The

procedure

for

attaching

the

microscope

com-

ponent

to

the

operation

microscope

is

always

the

same

despite

the

differing

designs

of

the

various

components.

Electrical

connections(figure

10

)

Check

the

voltage

indicated

at

(2).

Note:

The

suspension

system

is

set

for

the

voltage

at

the

destination

country

in

the

fac-

tory.

The

voltage

indicated

at

disk

(2)

must

correspond

with

voltage

of

the

available

line

power.

If

not,

the

instrument

must

be

convert-

ed by

our

service

representative.

17

Plug

the

foot

control

panel

connector

(1)

into

the

respective

socket

of

the

suspension

sys-

tem.

Note:

Only

plug

in

or

unplug

these

connectors

when

the

power

switch

on

the

suspension

sys-

tem

is

turned

off.

Plug

power

cord

(8)

into

a

power

outlet.

The

out

let

must have

a

good ground-wire

connec-

tion.

220-1140

OPMICS

23041002

Preparations

for

surgery

Adjusting

the

click-stop

coupling

©

Lift

the

operation

microscope

with

your

hand.

©

Pull

out

knob

(3)

as

indicated

by

arrow

and

push

it

up.

+

Move

the

operation

microscope

to

the

desired

tilt

position

(0°,

30°, 60°)

and

release

knob

(3).

The

knob

clicks

into

position

by

itself

and

locks

the

tit

position.

Balancing

and

adjusting

the

suspension

system

*

Hold

the

microscope

and

loosen

star

knob

(5).

‘Adjust

the

balance

of

suspension

arm

(1)

using

star

knob

(11).

When

properly

adjusted,

the

microscope

must

remain

stationary

in

the

de-

sired

position.

Note:

The

friction

of

the

vertical

movement

can

be

adjusted

using

friction

ring

(6).

+

Set

the

minimum

working

distance

of

the op-

eration

microscope

to

the

field of

surgery.

To

do

this,

loosen

star

knob

(4)

of

the

safety

slid-

er

and lower

the

operation

microscope

to

the

9011468

GEM

CS

23041902

18

lowest

working

position.

Slide

the

safety

slider

in

the

direction

of

the

operation

microscope

and

re-tighten

star

knob

(4).

This

safety

device

prevents

unintentional

downward

movement

past

the

stop

setting.

Check

the

stop

setting

by

lowering

the

opera-

tion

microscope

to

the

stop.

Loosen

star

knobs

(7)

and

(13)

on

the

suspen-

sion

and

carrier

arms.

If

necessary,

set the

friction

of

the

rotational

movement

using

ball

knobs

(2)

and

(12).

In

this

manner,

you can

optimally

adjust

the

ease

of

movement

to

your

needs.

Switch

on

the

main

power

at

(8)

Adjust

the

speed

of

the

various functions

(zoom,

focus,

tit)

using

the

knobs

located

un-

derneath

cover

(10).

Set

the

lamp

control

switches

located

under-

neath

cover

(10)

to

the

foot

control

panel

sym-

bol.

Activate

the

illumination

at

the

foot

control

unit

and

switch

on

the

illumination

at

knobs

(9).

Ad-

just

the

brightness

using

knobs

(9).

Start

at

a

low

brightness

to

lengthen

the

duty

lives

of

the

lamp

bulbs,

19

11

Adjusting

the

operation

microscope

20

Bring

the

operation

microscope

into

starting

position

within

the

focusing

range

‘Set

the

minimum

magnification

on

the

operation

microscope.

Bring

the

operation

microscope

into

working

position,

Adjust

interpupillary

distance

on

the

binocular

tube.

Set

diopter scales

on

eyepieces.

Note

that

instrument

myopia

may

occur.

у

V

Emmetropes

set

the

diopter

scale

to

Ametropes

(who

do

not

know

their

refractive

powers)

0

diopter

(0).

у

Eyeglass

wearers

(who

perform

surgery

wearing

Set

both

eyepieces

to

+

8

D.

their

glasses)

set

the

diopter

scale

to

0

diopter

(D).

у

Ametropes

(who

know

their

refractive

Eyepieces

without

reticies:

Eyepieces

with

reticles:

powers

and

perform

surgery

without

wearing

their

glasses)

у

set the

diopter

scale

ring

to

their

refractive

powers.

Remove

binocular

tube

and

eye-

pieces

from

the

microscope

body

and

point

them

at

a

distant

ob-

jecf,

ie.

use

them

like

a

pair

of

binoculars.

The

image

of

the

ob-

ject

is still

unsharp.

Tum

diopter

scale

ring

on

eye-

piece slowly

clockwise

until

he

re-

ticle

is

imaged

sharply.

Stop

turn-

ing

the

ring.

у

Tum

diopter

scale

ring

of

one

eye-

piece

slowly

clockwise

until

the

image

of

the

object

is

sharp.

Stop

turning

the

ring.

If

necessary,

re-

peat

this

procedure

three

times

and

take

the

average

of

the

road-

ings

found.

Adjust

the

second

eye-

piece

in

the

same

manner.

Focus

the

operation

microscope

on

the object.

The

reticle

and

the

object

must

be

sharp

at

the

samo

time.

у у

Replace

tube

and

eyepieces

on

microscope

body

and

tighten

so-

curing

screw

firmly.

Adjust

the

second

eyepiece

in

the

same manner

until

the

object

is

у

seen

sharply.

field

changes.

‘Adjust

eyecup

in

such

a

way

that

the

full

field

of

view

can

be

seen.

Set

maximum

magnification

on

the

microscope

and

focus

on

object.

‘Set

working

magnification

required.

When

the

magnification

is

changed,

the

focal

plane

is

retained,

but the

depth

of

Note:

If

several

surgeons

use

the

instrument.

it

is

advisable

to

draw

up

a

table

with

the

individual

refractive

powers

of

‘each

of

the

surgeons

and

to

keep

it

in a

handy

location

near

the

instrument.

7

||

Caution:

Never

point

at

the

sun.

ο

Zeiss OPMI CS User manual

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