top of page

Subha's Ophthalmic Page
Follow on LinkedIn:
https://shorturl.at/yxxYS
search information related to IOL, biometry, corneal topography, etc.


Why we should stop asking about Abbe Number with Intra Ocular Lenses
This article describes what is Abbe number and chromatic aberration and answers if Abbe number is important for IOL industry
Subhabrata Bhattacharya
Jul 18, 2023

How to satisfy a patient who is having difficulty adjusting to astigmatism correcting glasses.
If a patient complains about his glass prescription and finds difficult to adjust to cylinder, how can you prescribe modify the prescription
Subhabrata Bhattacharya
Apr 16, 2023


Astigmatism with TORIC IOLs
Explains astigmatism and how it is corrected with glasses and TORIC IOLS
Subhabrata Bhattacharya
Apr 13, 2023


Effective near add power for multifocal IOL based on patient axial length, Keratometry.
This calculator helps you to predict near add power in corneal or spectacle plane based on patient details and multifocal IOL add in lens
Subhabrata Bhattacharya
Feb 5, 2023

Understanding Defocus Curve of multifocal IOLs
defocus curve helps us to understand the peak near, intermediate vision that a multifocal IOl is capable of providing to patients
Subhabrata Bhattacharya
Jan 25, 2023


Calculating Optical Biometry Aconstant from contact/applanation ultrasound Aconstant
Converting contact ultrasound biometry aconstant to optical biometry aconstant
Subhabrata Bhattacharya
Jan 23, 2023
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
Services

Online consultation
If you are interested to learn more on any of the content in this website, you are free to subscribe and drop me a message for an online consultation against a coffee..
bottom of page