Operation microscope

OMS-800 series
OFFISS / Pro / Standard

TOPCON OFFISS LENSES

OMS-800 series
Operation Microscope

Perfection
for Professionals

Small 40D Lens

40°

The small 40D lens can assist with membrane

40°
40°

peeling in the macular region and is beneficial forhighly myopic eyes by avoiding contact between the40°
40°

surgical tools and lens. It provides a crisp, wide angle
view with remarkable stereopsis, giving a clear view
The Small 40D allows better vertical access for
surgical tools than the conventional 40D lens.

of the posterior pole, an area that is inaccessiblewith contact lens observation.

40D Lens

Minimizes contact between
surgical tools and lens.
Improved comfort.

Lens

Small 40DLens

Conventional 40D

EyeEyeA bright, stereoscopic view is a particular feature of
the 40D lens, making it ideal for posterior segmentprocedures. Combined with the microscope
illumination, the characteristics of the lens makethe use of additional fiber optic illumination
unnecessary, enabling bimanual procedures andhence saving time.

50°
50°
50°
50°
50°

segment out to the intermediate peripheral zone of

Bright Wide Field

the retina. It can be used in combination with fiber

Topcon's pursuit for perfection is reflected in its continuing development of the OMS-800 range of operating

optic illumination.

Vascular Arcade70°
70°
70°
70°
70°

microscopes, adapting them to meet the needs of modern ophthalmic procedures while maintaining the high quality anddurablity that made Topcon the World Leader in Ophthalmic Equipment.

TOPCON has developed a state-of-art observation system for vitrectomy procedures that do not require the use offiberoptic illumination. The TOPCON OFFISS lenses avoid complicated focusing by allowing the microscope head andindirect lens to move independently of each other, facilitating a clearly focused image at all times. The image inverter

This compact lens takes up minimal space in the100°

operating field and does not interfere with the use

100°
100°of surgical instruments. The wide angle view of100°
100°

100 degrees can expand up to approximately 130

1. Small diameter 40D lens
2.Small diameter 120D lens
3.Anterior eye section observation lens120D Lens
40D Lens
80D Lens(Outer Diameter φ28) (Outer Diameter φ19.4) (Outer Diameter φ24)

Small 120D Lens2(Outer Diameter φ18)

Anterior Lens 3(Outer Diameter φ34)

EquatorEquatorEquatordegrees with the use of air substitution.

EquatorEquator

120D Lens

130°

Useful for vitreous surgery and photocoagulation

130°
130°

of the central and peripheral areas up to the Ora

130°
130°

Serrata, the 120D lens provides a field of view of 130
Small 40D Lens1(Outer Diameter φ23)Intermediate peripheral zone
Intermediate peripheral zone
Intermediate peripheral zone

activates automatically whenever the OFFISS is in use. The indirect lens can quickly and simply be exchanged for another,saving time and increasing efficiency.

Intermediate peripheral zone

Intermediate peripheral zone

Small 120D Lens

OFFISS Lenses (OFFISS : Optical Fiber Free Intravitreal Surgery System)

Vascular Arcade
Vascular Arcade
Vascular Arcade

80D Lens
The 80D lens allows observation from the posterior

Vascular Arcade

degrees with good stereopsis. This lens can be used
under air substitution in combination with a wide
angle fiber optic endo illuminator.

Ora Serrata
Ora Serrata
Ora Serrata
Ora Serrata
Ora Serrata

FOR CATA RAC T A ND V IT R E O U S S U R GE RY

Superb image quality for cataract and vitreous surgery
With the advancement of cataract surgery and phacoemulsification techniques, an increasing number of surgeons are
performing simultaneous cataract and vitreous surgeries. By using a three mode illumination system, the OMS-800
provides an improved red reflex with better shadow and contrast, even under conditions of low illumination.

S U PE RIO R FU NCTI ONALI TY

Low intensity illumination
enables clear observation
while preventing light damage
Superbly designed optics provide optimumillumination, eliminating harmful wavelengths andunnecessary brightness. Low light intensity also
helps to prevent light-related damage to the retinaltissues. The integral IR filter further reduces the riskof phototoxicity.

CCC

PEA

Hydrodissection

Comfortable operating posture
The ergonomically designed optical head with abuilt-in beam splitter and adjustable eye pieces
allows the surgeon to maintain a comfortableposture throughout the surgery. A key component
to this comfort is the variable angle binocular tubes
that allow for the setting of a personal viewing
position from 45 to 90 degrees. This flexibility
ensures a comfortable operating stance even whenusing OFFISS.

Coarse focusing*

Increased working distance

The Coarse focusing mechanism allows the optical

The OFFISS system provides an extremely

head to be quickly elevated during surgery and then

comfortable working distance between the OFFISS

brought back to the desired working position. Thislenses and the patient's eye.

feature is particularly useful during IOL insertion andother procedures that momentarily require more

Easy switch among illumination modes

space between the patient and the microscope.

Three different illumination modes are available to meet all surgical lighting needs.

Apochromatic optics

Different modes are easily selected using the footswitch.

Fully illuminated(+4°,+2°,-2°)

Plus & Minus(-2°,+2°)* Refer to the component list for further detail.

Yellow Filter(+4°)

accessing the lamp housing using a rotating lever.
A warning lamp indicates when the spare lamp isburned out to ensure there is always an operational

limit the effect of chromatic aberration.

bulb available.

Anti stain coating

Electromagnetic locking system

The OMS-800 employs an anti-stain coating - theThe optical head can be quickly and accurately

optical components remain clear and maintain theirpositioned for surgery and held in place by the fastquality for a longer period.

acting electromagnetic locking system. (OFFISS/Pro)

Multifunction footswitch
enhanced operating efficency

This illumination mode

The combination of illuminationbrightness, stereoscopic view

generates a particularly goodand yellow filter is particularly

and shadow contrast are

red-reflex and is very usefuladvantageous during long

perfectly balanced for superior

during anterior capsulotomies.

procedures to preventto control virtually all of the OMS-800 functions

phototoxicity.

without removing their hands from the operative

The multi-function footswitch permits surgeons

illumination is always optimum

field. Without any hand movement, the surgeon canregardless of the position of theadjust the illumination, zoom magnification, focus,

patient's eye.

The illumination bulb can be simply replaced, by

The optics of the system are designed to greatly

In this mode, the illumination,observation clarity. The

Easy bulb exchange

1.

adjustment(Pro/Standard),
Illumination light intensity

14

5

3

adjustment/Variable

2

illumination aperture (OFFISS)
2.

Front lens focsing(OFFISS),
Coarse focusing(Pro),
Spare(Srandard)

3. Illumination ON/OFF

6

4. X/Y translator lever
5. Illumination angle
6. Focus Up/Down

illumination angle and X-Y positioning.

7.

Inverter IN/OUT(OFFISS)

8. Zoom IN/OUT(OFFISS)

The control layout on the footswitch is conveniently
arranged in the most accepted configuration.

Illumination light intensity

78

9Spare(Others)
9. SpareFootswitch layout with well accepted control configuration.

OPTION A L ACC E SS O R I E SO MS -800 MODELSOFFISS lens set

OMS-800 OFFISSStandard components include; front lens holder,

OFFISS offers a new scope of possibilities foranterior segment observation lenses, 40D, smallvitreoretinal surgery. Equipped with the OFFISS

40D, 80D, 120D, and small 120D. The boxes andlenses mechanism, electromagnetic brakes andlenses are easily maintained using an autoclave.

sophisticated electronics, this model is the highest
specification for intravitreal surgery, as well as otherophthalmic procedures.

Assistant microscopes
The assistant microscope provides an additional

OMS-800 Pro

viewer with bright, crisp images on the same visual

Electromagnetic brakes and sophisticatedaxis as those seen by the main surgeon.

electronics confer the OMS-800 Pro the flexibility
to facilitate virtually any type of ophthalmic surgical

Coaxial binocular tube

procedure.

It allows observation with the same field of view
and magnification as the main surgeon. The angleof the binocular eyepieces is adjustable from 30

Coaxial binocular tube

to 110 degrees, offering the assisting surgeon aOMS-800 Standard

comfortable viewing angle.

Equipped with most of the state-of-the-art
features of the OMS-800 range, the OMS-800

0 degree assitant microscopeStandard answers the need for a simpler, easy to

The angle of the binocular eyepieces is adjustable

use operation microscope. Manual brakes and easefrom 45 to 90 degrees, offering the assistingof mobility make the OMS-800 an affordable yet

surgeon a comfortable viewing angle. In addition,advanced unit for all ophthalmic procedures.

a separate focus adjustment is available for theassistant surgeon.
0 degree assistant microscope

Component
TV relay lens
The compact TV relay lens permits the attachmentof a CCD camera useful for documentation andOFFISSOFFISSElectromagnetic locking

teaching. The relay lens accepts the most popular

Coarse focusing

1/2” and 1/3” CCD cameras with C mount or bayonet

Invertermount and is easily connected to the OMS-800.

Apochromatic optics
Beam spliter

✔
✔
✔
✔
✔
✔

ProStandard--✔
✔
-

✔
✔

-✔
✔

Specifications
Microscope type

Galileo type

Magnification change type

Electric zoom continous change

Eyepiece(Eyepiece magnification)

12.5X

Objective Lens

f=200mm

Display magnification(X)

4.2/5/6/7/8/9/10/11/13/15/17/19/21

Total magnification

4.2X - 21x

1st arm length(Distance between shafts)

375mm

1st arm rotation ragne

300°

2nd arm length(Distance between shafts)

OFFISS, Pro : 990mm
Standard : 875mm

2nd arm rotation ragne

300°

2nd arm vertical movement range

600mm

2nd arm mounting weight

OFFISS, Pro : 6kg - 18kg
Standard : 9kg - 21kg

Power supply

AC 100-240V, 50-60Hz 280VA

Dimensions
Base (Base unit)

720mm(W) x 720mm(D)Base (Base total height)

1,865mm

WeightOFFISS : 250kg
Pro : 247kg
Standard : 244kg

Permitted weight for accessories

OFFISS : 4.8kg
Pro : 6.8kg
Standard : 7.3kg

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IMPORTANT In order to obtain the best results with this instrument, please be sure to review all user instructions prior to operation.
Not available for sale in all countries. Please check with your local distributor for availability in your country.
CAUTION : Federal law restricts this device to sale by or on the order of a physician.
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