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Subha's Ophthalmic Page
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search information related to IOL, biometry, corneal topography, etc.
Second Eye IOL Power calculator based on First Eye Prediction error
f you had a more than .50 diopter of refractive error in the first eye, here is a calculator to to consider IOL power for the second eye ba
Subhabrata Bhattacharya
Feb 10, 2021
A simple interpretation of Zernike Polynomials
This article explains how to interpret Zernike polynomials that is associated with aberrometry charts
Subhabrata Bhattacharya
Dec 17, 2020
A constant to Lens Factor (LF) conversion for Barrett
Here is Lens Factor to corresponding A constant for Barrett Universal II. Earlier in video presentation https://www.quickguide.org/post/...
Subhabrata Bhattacharya
Nov 25, 2020
Binocular Summation – Understanding Patient Candidacy for Multifocal IOLs
A key element in evaluating a patient for multifocal IOL candidacy should include determination of normal binocular vision.
Subhabrata Bhattacharya
Aug 19, 2020
Eye & Astigmatism - Part IV
https://www.youtube.com/watch?v=6U2tr2Lgwdo&t=42s
Subhabrata Bhattacharya
Jul 26, 2020
Eye & Astigmatism - Part III
https://www.youtube.com/watch?v=7c9xTsMVJFE&t=690s https://www.youtube.com/watch?v=7c9xTsMVJFE&t=690s
Subhabrata Bhattacharya
Jul 26, 2020
Eye & Astigmatism - Part II
https://www.youtube.com/watch?v=1FUUCmq9lAQ&t=221s
Subhabrata Bhattacharya
Jul 26, 2020
Eye & Astigmatism - Part 1
The below video is part of a four video series explaining astigmatism and its correction with glasses and Toric IOLs....
Subhabrata Bhattacharya
Jul 26, 2020
Basics of Phaco (Video) - Part II
In Part II of Basics of Phaco we will look into the phaco energy aspects, particularly, stroke length, frequency of hand piece, etc
Subhabrata Bhattacharya
Jul 16, 2020
Explaining Biometry Validation for premium IOL selection
It is herein, the Biometry Validation Tool_V2.0 may be extremely useful. Not only does the Biometry Validation Tool_2.0 help biometricians t
Subhabrata Bhattacharya
Jul 12, 2020
Biometry Validation Tool
Incorporates Biometry validation based on two eye biometry reading,
Angle Kappa and Angle Apha calculator, axial length in silicone eyes
Subhabrata Bhattacharya
Jun 27, 2020
Refractive Outcome Analyzer-V2.2
A simple tool for validating Biometry data
Subhabrata Bhattacharya
Jun 24, 2020
The Role of Macula Pigment and the importance of Blue Light Filtration in Intra Ocular Lens (IOL)
While there are conflicting schools of thought on the role of blue light filtration vis-a-vis Intra Ocular Lens, proponents of blue light...
Subhabrata Bhattacharya
Jun 16, 2020
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