Corneal Topography | Corneal Topography System

Corneal topography System is a special photography technique that maps the surface of the clear, front window of the eye (the cornea). It works much like a 3D (three-dimensional) map of the world, that helps identify features like mountains and valleys. But with a topography scan, a doctor can find distortions in the curvature of the cornea, which is normally smooth. It also helps doctors monitor eye disease and plan for surgery. We are Importer, Wholesaler & Supplier of Rexxam RET 700 Corneal Topography System in India. The widely used Corneal Topography System helps to map the surface of the clear, front window of the eye. We offer finest, compact corneal topography device suitable for eye diagnosis at any ophthalmology clinics.

What Conditions Is Corneal Topography System Used for?

Scarring: Trauma (injury) or infections can scar the cornea. This changes the shape of the cornea. A topography scan measures the distortion and its effect on vision.

Growths: The size of pterygia or other growths can be monitored with topography.

Astigmatism and keratoconus: Topography can help find astigmatism and early cases of keratoconus and track their progression.

Contact lens fitting: Topography scans help find what type of contact lens can be worn to improve vision. If the scan shows a lot of distortion, sometimes a special hard contact lens (RGP) can help correct vision.

How Does Corneal Topography System Help with Surgery?

Refractive surgery: During refractive surgery like LASIK, the shape of the cornea is changed to correct refractive errors like myopia (nearsightedness). A topography scan helps the surgeon understand how to precisely reshape the cornea.

Cataracts: When cataracts make the eye's natural lens cloudy, it is replaced with an intraocular lens (IOL) during cataract surgery. Corneal topography System helps surgeons select the right IOL in some cases.

Corneal Transplants: After a corneal transplant, a surgeon may use corneal topography System to help a patient heal correctly. The images help assess which stitches should be removed and when based on the shape of the cornea.

Corneal Cross Linking: Corneal cross-linking surgery helps strengthen a cornea with keratoconus. A topography scan may be done to see if this surgery is needed. After surgery, scans are done to monitor the eye.

Rexxam RET 700 Corneal Topography System

All-in-one model including auto ref, keratometer, topographer, PC and database

Auto Ref-Topographer with pursued functionality and operability

corneal topography system


Measurements of the auto ref, kerato and topography are taken at the same time. Maximum 6 images of topography are captured continuously.

Wide Topo Measurement Range

The measurement range is from 0.4mm to 10.7mm(R8.0).

Also, the peripheral corneal (approx. 16.00mm) is measurable.

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corneal topography system importer

Difference map

corneal topography system Wholesaler


corneal topography system

CL fitting

A Variety of Analysis Function

A variety of analysis display includes Current map, Multiple map, Dual case, Difference map, Aberration and CL fitting etc.

Ring Edit Function

A ring can be assigned manually if the ring cannot be measured automatically.

Rexxam corneal topography system Wholesaler
Rexxam Ret 700 corneal topography system


Measurement data can be stored and accessible any time.

Scotopic & Photopic Pupil Diameter Measurement

Both scotopic and photopic measurements are available.

※ S.P.S: Scotopic Pupil Size

P.P.S: Photopic Pupil Size

corneal topography system

Scotopic measurement
[S.P.S. function]

corneal topography system

Photopic measurement
[P.P.S. function]

corneal topography system

Wide Screen

10.4 inch wide color screen.

The swivel/tilt function allows the operator to support easily the patient during operation.

Electric Chinrest

It is easy to align the eye position of the patient with the eye mark.

corneal topography system
Function Eye refraction measurement Spherical power -20D to +30D (step:0.12D/0.25D) VD=0
Cylindrical power 0D to ±10D(step:0.12D/0.25D)
Axis angle 1 to 180 degrees (step:1°/5°)
Measurement range of cornealcurvature φ2.0mm
Corneal curvature radius Corneal curvature radius 4.90mm to 10.10mm (step:0.01mm)
Corneal refractive power 68.88D to 33.42D(step:0.12D/0.25D)
*corneal refractivity = 1.3375
Corneal astigmatism 0D to ±10D(step:0.12D/0.25D)
Axis angle 1 to 180 degrees (step:1°/5°)
Measurement of corneal shape Measurement range φ0.4 - φ10.7(R8)mm
Pattern of measurement light 19 cocentric circle ring patterns
Measurement point 6,200
Working distance 77.5mm
Peripheral cornea Approx.φ16(R8)mm
Axial -
Tangential -
Elevation -
Refractive -
Zernike -
Fourier -
Type Placid Dome
Fitting of contact lens -
Dry eye observation function -
Meibomian observation function -
Measurement of pupil diameter φ2.0mm to φ8.5mm(step:0.1mm)
Alignment method Manual alignment
PC Built-in
Monitor 10.4 inches touch panel colored LCD (XGA)
Printer Thermal line printer (paper width 58mm)
External interface Ethernet(10/100Mbps)×1, USB-A×2, USB-B×1
Source voltage/frequency AC 100 to 240V, 50/60Hz
Power consumption 90VA
Power saving function OFF,3,5,10min. (switchable)
Size H(507mm)×W(346mm)×D(422mm)
Weight 17kg
Standard Accessories Operation manual, Power cord, Printer paper, Fuse, Dust cover, Model eye, Chinrest paper, Chinrest paper pin
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corneal topography system

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705, Sakar - 5, Nr. Mithakhali Railway Crossing, Off Ashram Road, Ahmedabad - 380 009, Gujarat, India