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Subha's Ophthalmic Page
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search information related to IOL, biometry, corneal topography, etc.
Subhabrata Bhattacharya
Oct 7, 2018
Holladay IOL Surgeon Factor Conversion Table
Converting Aconstant to Surgeon Factor(SF) or (ACD) if you are using different formulae
Subhabrata Bhattacharya
Oct 7, 2018
Visual Acuity Conversion Table
Relating visual acuity from feet to meters/decimal or logmar
Subhabrata Bhattacharya
Oct 7, 2018
Understanding Astigmatism or cylinder and how it is corrected by prescription glasses
In this article, I will explain astigmatism and how it is corrected with glasses. To further reference you can also see my video...
Subhabrata Bhattacharya
Oct 7, 2018
IOL power calculation challenge in Post Lasik patients - Going beyond traditional biometry
What are the major challenges in post Lasik IOL power calculation and how you could get around them
Subhabrata Bhattacharya
Oct 7, 2018
Aconstant conversion - Immersion Ultrasound Biometry to Optical Biometry
This topic deals exclusively about conversion of immersion ultrasound aconstant to optical aconstant, when you need to convert, or not.
Subhabrata Bhattacharya
Oct 7, 2018
The Lighthouse & the Genesis of Modern Multifocal Intra Ocular Lenses
There are very few people who would not stop by to see, if ever they pass by a Lighthouse. A Lighthouse is one of those few things that...
Subhabrata Bhattacharya
Oct 6, 2018
The Mystery of the Near with Presbyopia Correction IOL
What could be the potential cause of some patients not getting optimum near vision with multifocal IOLs
Subhabrata Bhattacharya
Oct 6, 2018
Understanding Biometry & IOL Power Calculation
This article gives a brief outline on IOL power calculation formulas (biometry)
Subhabrata Bhattacharya
Oct 6, 2018
Spherical Aberration, Q factor & choice of IOL
Explains Q factor and corneal asphericity and how it can be related to the choice of Intra Ocular Lens or IOL
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