Investigating Geometric and Optical Properties of Soft Contact Lenses

This report delves into the geometric and optical characteristics of soft contact lenses, a medical device widely used to correct refractive errors. It examines the differences between on-eye and off-eye performance, highlighting how the lens's optical power changes when fitted. The report explores hydrogel and silicone hydrogel lenses, discussing their design differences and impact on comfort and oxygen permeability. It reviews research on lens flexure, tear exchange, and discomfort, which are significant factors influencing patient satisfaction. The study also touches upon the evolution of contact lenses and their market dominance, emphasizing the importance of biocompatibility and specific attributes like transparency. This report offers insights into the complexities of contact lens design and its impact on vision correction and patient comfort.