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search information related to IOL, biometry, corneal topography, etc.
Thoughts on TORIC IOL for a fairly irregular Cornea
When can we choose a TORIC IOL for a fairly irregular cornea. It is critical to look into the central 3 to 4 mm zone of the cornea
Subhabrata Bhattacharya
Jan 3, 2019
What to do when your Keratometry readings are different from different Keratometers
When your different keratometry machines give different values of the corneal power of the same patient use the Barrett K calculator.
Subhabrata Bhattacharya
Dec 6, 2018
Centroid SIA calculation - ASCRS website
This article is in continuation to my write up in this blog ‘The Why & What of Centroid SIA involving astigmatism correction’. I would...
Subhabrata Bhattacharya
Nov 28, 2018
Pupil Test - A Key Element in Multifocal IOL Candidacy
testing if the patient has a reactive pupil is important for multifocal IOL selection. This article describes the pupillary reflex pathway.
Subhabrata Bhattacharya
Nov 27, 2018
Quick Links to Useful Sites
AAO https://www.aao.org/ All About Vision https://www.allaboutvision.com/ APSCRS https://www.apacrs.org/ ASCRS http://ascrs.org/ Atlas of...
Subhabrata Bhattacharya
Nov 23, 2018
Quick Links to TORIC Calculators,etc
Please go through this excellent article to get started with TORIC IOLs which I believe brings out the quick four points before you start...
Subhabrata Bhattacharya
Nov 23, 2018
The ‘Why’ & ‘What’ of Centroid SIA involving astigmatic correction
As the art of correcting corneal astigmatism became popular with Toric IOLs, a predominant concept has been to provide incision on the...
Subhabrata Bhattacharya
Nov 23, 2018
For Optical Biometry latest A Constants - https://iolcon.org/searchLens.php
Click on this link :https://iolcon.org/searchLens.php
Subhabrata Bhattacharya
Nov 23, 2018
The ‘Why’ & ‘What’ of Centroid SIA involving astigmatic correction.
What is centroid SIA and why is it important not go with a fixed .50D of SIA that you have entered in Toric calculators in the past.
Subhabrata Bhattacharya
Oct 31, 2018
Common Topography Indices
Here are explanations to some common topography indices that you will find across several corneal topography machines. While there is no sta
Subhabrata Bhattacharya
Oct 22, 2018
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