LASIK qualifications. What is a free LASIK evaluation? - A State of Sight #5

Isaac Porter, MD explains the tests and evaluation needed to determine if a patient is a candidate for LASIK or PRK. In a free evaluation, the stability of the eyeglass or contact lens prescription is checked to ensure that it is not currently changing. Specialized mapping of the cornea shows detail of the curvature of the eye and can help identify problems like keratoconus that do not qualify for LASIK. Wavefront testing passes light in and out of the eye to measure every distortion in the vision. The thickness of the cornea is measured and an eye exam is performed to check the overall health of the eye. Using this information, it can be determined if a patient qualifies for laser vision correction.

Multifocal lens implant (IOL), presbyopia, cataract surgery - A State of Sight #3

Lens implants from cataract surgery can give a full range of vision from up close to far away. Isaac Porter, MD explains how our eyes focus and new technology that can reduce the need to wear glasses for distance and near vision. Age related focus dysfunction (presbyopia) affects everyone beginning around age 45 and causes difficulty reading. This may be corrected with reading glasses or bifocals, but now when patients need to have cataract surgery, they have lens options that can reduce this need for reading correction.

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