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

Objective: This tool helps you to find following things: What is the true size of the diameter of the central bull's eye of the...

Objective of this article: In this article I am proposing a method that helps manufacturers as well as users adapt IOL box A constant to...

This tool helps you to calculate the lens power based on thick lens formula. It also helps locate principal plane in the optic

Optical axis of the eye is a theretical concept. Clinically, if a point source of light was projected to the eye, then all reflexes from the

The refraction shown against target IOL Power in the biometry page is not emmetropia but a spherical equivalent.

At the end of the reading, you will get an understanding of the design of the Extended Depth of Focus (EDOF) IOLs in the market, and how the

Point spread Function gives us an understanding of the resolution of an optical system.

Interpreting a pin hole test for vision testing.

This tool will help you to use Haigis L formula for post lasik patients. As first step it helps you to convert K readings.

This allows you to convert post Lasik corneal reading and IOL constant to Shammas post lasik formula with no history method

This article describes what is Abbe number and chromatic aberration and answers if Abbe number is important for IOL industry

If a patient complains about his glass prescription and finds difficult to adjust to cylinder, how can you prescribe modify the prescription

Explains astigmatism and how it is corrected with glasses and TORIC IOLS