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Subha's Ophthalmic Page
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search information related to IOL, biometry, corneal topography, etc.
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.
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Jan 10, 20231 min read
Podcast - Posterior Capsular Opacificaion in 5 minutes
The etiology of posterior capsular opacification or PCO after cataract surgery.
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Nov 22, 20220 min read
Aconstant conversion optical - US biometry
Explains the relationship between optical aconstant and contact or immersion aconstant taking into account type of keratometry.
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Nov 20, 20221 min read
Aconstant - Immersion Ultrasound vis-a-vis Optical biometry
Aconstant - Ultrasound biometry vis-a-vis optical biometry
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Sep 11, 20220 min read
What is IOL Master700 TK ?
What is IOL Master TK or Total Keratometry. How does it work?
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Sep 8, 20221 min read
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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Sep 4, 20221 min read
Multifocal IOL patient evaluation
What you need to see when evaluation candidacy of a multifocal IOL patient
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Aug 4, 20221 min read
Spheric, Aspheric and Freeform lenses
The concept of freeform lens or digital lens or even order aspheric design
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May 17, 20227 min read
Vivity extended depth of focus lens
How does the VIvity lens work. Not definitive but an impression only.
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Apr 22, 20222 min read
Axial length measurement with Bscan
Bscan and how it can be used for axial length measurement in challenging eyes
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Feb 27, 20224 min read
IOL power calculation in keratoconus
TORIC IOL calculation in Keratoconus patients
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Jan 22, 20228 min read
Guide to Pentacam Holladay EKR Report
How you interpret the Holladay EKR report in Pentacam
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Jan 12, 20227 min read
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