Gaussian optics, Gullstrand eye, & Biometry
THe role of mathematics and gaussian optics in Biometry for IOL power calculation
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Subha's Ophthalmic Page
search information related to IOL, biometry, corneal topography
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
- Jan 25
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 23
Calculating Optical Biometry Aconstant from contact/applanation ultrasound Aconstant
Converting contact ultrasound biometry aconstant to optical biometry aconstant
Subhabrata Bhattacharya
- Jan 21
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
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 10
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
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
- Nov 22, 2022
Posterior Capsular Opacificaion in 5 minutes
Posterior capsular opacification
Subhabrata Bhattacharya
- Nov 20, 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
- Sep 11, 2022
Aconstant - Immersion Ultrasound vis-a-vis Optical biometry
Aconstant - Ultrasound biometry vis-a-vis optical biometry
Subhabrata Bhattacharya
- Sep 8, 2022
What is IOL Master700 TK ?
What is IOL Master TK or Total Keratometry. How does it work?
Subhabrata Bhattacharya
- Sep 4, 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
- Aug 4, 2022
Multifocal IOL patient evaluation
What you need to see when evaluation candidacy of a multifocal IOL patient
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