B.B EYE FOUNDATION - Sukhsagar Building, 2/5 Sarat Bose Road, Near Minto Park. Kolkata - 700020, West Bengal
DIAGNOSTIC RETINA SERVICES

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Optical Coherence tomography (OCT) :

 

OCT is the study of ultrastructure of retinal. In this investigation Laser light in near infra red spectrum (810nm) is used to produce high resolution cross sectional image of retina using coherence inferometry. In coherence inferometry partial reflective mirror is used to split a single laser beam into measuring and reference beam. Measuring beam pass from neurosensory retina upto choriocapillaris. At each optical interface some of light reflected back to OCT photodetector. Reference beam is reflected off the reference mirror at a known distance of beam splitter back to photo detector. Reference mirror can be adjusted to make the path traversed by reference and measuring beam equal, and creates wave pattern in constructive interference. However some of the lights through retinal surface are reflected off deeper layer in the retina. This light will have traversed a longer distance than reference beam and create some degree of destructive interference when the two beams come at photodetector. The amount of destructive interference measured by OCT and translated into measurement of retinal depth and graphically displayed as retinal cross-section.

We can assess the abnormality of layers of retina through this investigation. It is useful in the study of macular edema following diabetic retinopathy, retinal vein occlusions, dry & wet Age related macular degeneration, Choroidal Neovascular membrane and Macular Hole.  

 

 

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Doctor's Timetable

MONDAY : 10AM TO 3 PM – B B EYE FOUNDATION VIP ROAD
WEDNESDAY – SATURDAY : 10AM TO 3 PM – B B EYE FOUNDATION MINTO PARK
WEDNESDAY & FRIDAY : 9AM TO 10 AM – AMRI MEDICAL CENTRE SOUTHERN VENUE
THURSDAY : 3 PM TO 5 PM – LIONS NORTH CALCUTTA HOSPITAL RANIKUTHI
ALTERNATE TUESDAY : 10 AM TO 2PM – CITIZENS’ EYE & HEALTH CARE, SRIRAMPUR, HOOGLY
SPECTRA EYE FOUNDATION MADHYAMGRAM- 3PM – 5 PM

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