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Subha's Ophthalmic Page
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search information related to IOL, biometry, corneal topography, etc.
A constant Optimization Tool
This is an Aconstant optimization tool develped with the objective to make Aconstant optimization simple, yet effective. Please input 30 cas
Subhabrata Bhattacharya
Jan 21, 2023
Predicted post operative ACD calculator to match ELP
This calculator gives you an idea about post operative ACD or ELP by predicting it based on preoperatve ACD with optional lens thickness....
Subhabrata Bhattacharya
Jan 21, 2023
Basics of Phacoemulsification(Video)- Part 1
Part 1 of Basics of Phacoemulsification(Phaco) talks about the Peristaltic Pump, FootPedal Science, and phaco fluidics sans U/S.
Subhabrata Bhattacharya
Jan 10, 2023
IOL Power in post Lasik - When we can use standard IOL calculation formulae for Lasik patient
No we cannot use standard IOL calculation formula for post lasik IOL calculation, except for the EKR report in Pentacam.
Subhabrata Bhattacharya
Jan 10, 2023
Podcast - Posterior Capsular Opacificaion in 5 minutes
The etiology of posterior capsular opacification or PCO after cataract surgery.
Subhabrata Bhattacharya
Nov 22, 2022
Aconstant conversion optical - US biometry
Explains the relationship between optical aconstant and contact or immersion aconstant taking into account type of keratometry.
Subhabrata Bhattacharya
Nov 20, 2022
Aconstant - Immersion Ultrasound vis-a-vis Optical biometry
Aconstant - Ultrasound biometry vis-a-vis optical biometry
Subhabrata Bhattacharya
Sep 11, 2022
What is IOL Master700 TK ?
What is IOL Master TK or Total Keratometry. How does it work?
Subhabrata Bhattacharya
Sep 8, 2022
Angle Kappa and multifocal lens bull’s eye
A theoretical representation of what should be the ideal bull's eye (central optic) diameter of lens to be less susceptible to angle kappa.
Subhabrata Bhattacharya
Sep 4, 2022
Multifocal IOL patient evaluation
What you need to see when evaluation candidacy of a multifocal IOL patient
Subhabrata Bhattacharya
Aug 4, 2022
Spheric, Aspheric and Freeform lenses
The concept of freeform lens or digital lens or even order aspheric design
Subhabrata Bhattacharya
May 17, 2022
Vivity extended depth of focus lens
How does the VIvity lens work. Not definitive but an impression only.
Subhabrata Bhattacharya
Apr 22, 2022
Near Visual Acuity - N notation chart
Near Visual Acuity measurement
Subhabrata Bhattacharya
Mar 29, 2022
Axial length measurement with Bscan
Bscan and how it can be used for axial length measurement in challenging eyes
Subhabrata Bhattacharya
Feb 27, 2022
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