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

The below is the optical biometry validation guidelines. Specially sourced from Warren Hill, Douglas Koch, operator guide from different...

Converting Aconstant to Surgeon Factor(SF) or (ACD) if you are using different formulae

Relating visual acuity from feet to meters/decimal or logmar

In this article, I will explain astigmatism and how it is corrected with glasses. To further reference you can also see my video explanations in the TORIC section (https://www.quickguide.org/post/eye-astigmatism-part-1) .To explain in a lucid way, we will talk in terms of corneal astigmatism or cylinder, and its correction with prescription glasses. Imagine you visit your doctor and he/she finds out that you have only astigmatism with no myopia or hypermetropia. In this case

This topic deals exclusively about conversion of immersion ultrasound aconstant to optical aconstant, when you need to convert, or not.

What could be the potential cause of some patients not getting optimum near vision with multifocal IOLs

This article gives a brief outline on IOL power calculation formulas (biometry)

Explains Q factor and corneal asphericity and how it can be related to the choice of Intra Ocular Lens or IOL