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.
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Subha's Ophthalmic Page
search information related to IOL, biometry, corneal topography
Subhabrata Bhattacharya
- Aug 4, 2022
Multifocal IOL patient evaluation
What you need to see when evaluation candidacy of a multifocal IOL patient
Subhabrata Bhattacharya
- May 17, 2022
Spheric, Aspheric and Freeform lenses
The concept of freeform lens or digital lens or even order aspheric design
Subhabrata Bhattacharya
- Apr 22, 2022
Vivity extended depth of focus lens
How does the VIvity lens work. Not definitive but an impression only.
Subhabrata Bhattacharya
- Mar 29, 2022
Near Visual Acuity - N notation chart
Near Visual Acuity measurement
Subhabrata Bhattacharya
- Feb 27, 2022
Axial length measurement with Bscan
Bscan and how it can be used for axial length measurement in challenging eyes
Subhabrata Bhattacharya
- Feb 23, 2022
Sirius Topography Indices
Sirius topography key indices for Keratoconus
Subhabrata Bhattacharya
- Jan 22, 2022
IOL power calculation in keratoconus
TORIC IOL calculation in Keratoconus patients
Subhabrata Bhattacharya
- Jan 12, 2022
Guide to Pentacam Holladay EKR Report
How you interpret the Holladay EKR report in Pentacam
Subhabrata Bhattacharya
- Nov 15, 2021
Toric IOL surprise-the missing link
Why do some patients have more residual astigmatism after implantation of a Toric IOL which is seemingly unexplained
Subhabrata Bhattacharya
- Oct 7, 2021
Guide to Pentacam maps
this guide helps to interpret Pentacam corneal topography reports.
Subhabrata Bhattacharya
- Sep 4, 2021
Choosing Intra ocular Lens -2: Optics
What are the key features of Intra Ocular Lens in terms of optics
Subhabrata Bhattacharya
- Sep 1, 2021
Choosing Intra Ocular Lens-1 : Material
Choosing the right intra ocular lens (IOL) for cataract surgery is never an easy job. Infact there may be no one IOL that is what matters
Subhabrata Bhattacharya
- Aug 22, 2021
Design Factor of IOLs for Barrett formula
Here are the suggested Design Factors of some common Intra Ocular Lenses for the Barrett Universal formula. If you are looking for Lens...
Subhabrata Bhattacharya
- Aug 10, 2021
Biometry - Part II Axial Length
Talks about axial length measurement in Biometry for IOL power calculation
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