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The science behind Barrett Universal II formula

Subhabrata Bhattacharya

Jun 25, 2021

Biometry

The science behind Barrett Universal II formula

The below video will describe Barrett Universal II formula, its origin and the science behind it, including Lens Factor and the Gaussian...

Interpreting Zernike Polynomials in Ophthalmology

Subhabrata Bhattacharya

Jun 20, 2021

Interpreting Zernike Polynomials in Ophthalmology

Below video explains the Zernike Polynomials from a Opthalmology point of view. You can also read the article explaining Zernike...

$Science Behind Diffractive Multifocals$

Subhabrata Bhattacharya

Jun 14, 2021

Science Behind Diffractive Multifocals

The author visiting Lighthouse (optics) in Kerala, India in 2018. There are very few people who would not stop by to see, if ever they...

Subhabrata Bhattacharya

Apr 14, 2021

Biometry

Optical Biometry - Myth & Science

Optical biometry has added much value to refractive outcome, but there are some myths and misconceptions associated with optical biometry

Subhabrata Bhattacharya

Mar 3, 2021

Optics

Decoding Snellen Chart in 4 mins !

This explains the science behind the Snellen chart and why is it kept at a distance of 6m or 20f from the eye

Second Eye IOL Power calculator based on First Eye Prediction error

Subhabrata Bhattacharya

Feb 10, 2021

Tools

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 9, 2021

How do you choose IOL power for the second eye, when there has been refractive error in first eye ?

Subhabrata Bhattacharya

Feb 4, 2021

How to choose a non Toric IOL Power for astigmatism patients

A simple interpretation of Zernike Polynomials

Subhabrata Bhattacharya

Dec 17, 2020

A simple interpretation of Zernike Polynomials

This article explains how to interpret Zernike polynomials that is associated with aberrometry charts

A constant to Lens Factor (LF) conversion for Barrett

Subhabrata Bhattacharya

Nov 25, 2020

Quick

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/...

Binocular Summation – Understanding Patient Candidacy for Multifocal IOLs

Subhabrata Bhattacharya

Aug 19, 2020

Optics

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

Jul 26, 2020

TORIC

Eye & Astigmatism - Part IV

https://www.youtube.com/watch?v=6U2tr2Lgwdo&t=42s

Subhabrata Bhattacharya

Jul 26, 2020

TORIC

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

TORIC

Eye & Astigmatism - Part II

https://www.youtube.com/watch?v=1FUUCmq9lAQ&t=221s

Subhabrata Bhattacharya

Jul 26, 2020

TORIC

Eye & Astigmatism - Part 1

The below video is part of a four video series explaining astigmatism and its correction with glasses and Toric IOLs....

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Subha's Ophthalmic Page

search information related to IOL, biometry, corneal topography, etc.

Use this space for advertisements of your ophthalmology related products and services. Reach out to customers worldwide through quickguide.org

Use this space for advertisements of your ophthalmology related products and services. Reach out to customers worldwide through quickguide.org

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