Zeiss Indirect Ophthalmoscope User manual

Instrument

General

The

examination

adapt

patient's
ment

fundus

peripheral

the
This

ophthalmoscope

ger

lasts

necessary,

impossible,
6 V 10
e

e

e

12 V car
These
with
The
an
instrument
distances

page

information

indirect

user’s

instruction

(1).

external

power

the aid
indirect

interpupillary

ophthalmoscope

of

the

observer's

pupil.

of

the

illumination

examinations

areas.

head

Depending

25-40

minutes.

or

the

W halogen

battery

supply

battery

units are

of

ophthalmoscope

can

by

the

11.

Connected

when

connecting

the

The

manual

with

following

illumination

(2)

unit

adapter

connected

distance

be

adjusted

user.

description

is

used

for

retina. A knob

interpupillary

system.

even

headband

describes

rechargeable

on

ihe

intensity

When

recharging

supply

with

2.5X

(3)

(4)

cable

between

How

to

this

This

through

longer

after

system:

the

to

the

basic

to

greater

this

is

on

either

distance

adjustment

considerably

narrow

can

be

exactly

the

use

battery

of

illumination

examination

each

units

are

capacity

indirect

(6).

equipment

55

mm
interpupillary

done

is

stereoscopic

side

is

used

to

the

size

of

is

the

adjust-

facilitates

pupils

and

in

adapted

of

the

indirect

(5)

and

char-

the

battery

times

are

examination

available

ophthalmoscope

and

described

of

battery

is
70

for

the

(5)

suitable

mm.

on

to

the

to

is

The

Optical

The
aspheric

in

on
The
the
and
are

interpupillary
base
pupils.

the

compensated

for

principle

light

is

directed

lens

in

the

pupil.

The

the

focal

length

light

reflected

intermediate

is

viewed

imaged

is

Accommodation

ophthalmoscope.

the

distance

by

by

the

distance

by

into

the

such a way

size

of

the

and

the

from

the

image

plane

the

observer.

lens

in

the

is

reduced

between

is

Any

ametropia

image

displacement.

patients
that

the

illuminated

diameter

fundus

assisted

is

to

form a real

The

patients

by

the

images

eye

through

bulb

filament

fundus

of

the

gathered

pupils

pupil.

mirrors,

of

by

plus

the

patient

area

aspheric

by

inverted

of

the

observer

The

observers

The

the

observer's

lenses

may

the

is

imaged

depends

lens.

the

lens

image

stereo

built

have

in

into

is

observer's

eye

image
lamp

of

filament

viewing

beam

intermediate
image

illuminating

aspheric
lens

beam

patient's

eye

Indirect
charger

The

capacity

time

of

25

nation.
{4}.
ing,
is
charging
This
diode
80%

matically
current

(current

The

as

the

slid

into

includes

(1)

of

For

lies

ophthalmoscope

of

the

battery

to

40

minutes

recharging,

halogen

process

on)

its

switched

needed

bulb

charger

the

charger,

is

rapid

which

capacity.

to

above

the

to

has a switch-off

started.
charging
results

After

conserve

depending

the

need

the

this,

75

mA

rate

required

with

battery

is

sufficient

battery

bulb

in

is

not

be

switched

circuit

for 4 hours

the

battery

the

charging

(green

the

charge

and

for

an

on

the

inserted

device.

is

interrupted

with
being

diode

(3)

to

compensate

is

wall

bracket

examination

intensity

into

the

off

for

recharg-

When

the

150

mA

charged

current

on).

This

35

mA);

of

illumi-

charger

battery

and

(red

is

auto-

for

losses

this

to

the

current

damaging

a
Stored
cycles
given
battery
Knob
switch

failure,

fuse

on
can
normal
beam
varied

therefore

flat

battery

batteries

(red

by

is

(5)

the

check whether

must

page

be

brought
position a heat-absorbing

path.

with

it

by

overcharging.

to

100%

should

diode)

the

manufacturer

always

is

used

to

halogen

be

changed.

11.

By

turning

into

The

size

lever

(7).

allows

of

before

fully

discharged

adjust

bulb

the

knurled

the

of

recharging

One

its

capacity.

be

subjected

use.

The

as

more

the

intensity

on

and

off.

bulb

is

Bulb

and

ring

beam

path.

the

illuminated

of

the

battery

night

is

to 3 rapid

life

of

the

than

1000

and

fully

of

illumination

In

case

defective

fuse

change

(6) a green

When

the

filter

is

positioned

fundus

without

sufficient

battery

recharged,

of

or

to

charging

cells

cycles

illumination

whether

is

described

or

blue

ring

is in

in

area

can

bring

if

the

and

the

filter

the

the

be

is

to