Contact lenses

Contact lenses

Industry: Eyewear

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Perioperative

Eyewear; Optometry

Pertaining to the period extending from the time of hospitalisation or admittance for surgery to the time of discharge.

This is a method of applying excimer laser energy. Rather than applying all excimer energy in a broadbeam across the entire ablation area, or the energy in variable spots sizes across the ablation ...

Peripheral vision

Eyewear; Optometry

The ability to see objects and movement outside of the direct line of vision.

Focusing power of the eye

Eyewear; Optometry

As light enters our eye, it must be brought to a focus on the retina in order to perceive a clear image. About two thirds of the focusing power of the eye comes from the cornea, the rest comes from ...

Ametropia

Eyewear; Optometry

Any imperfection in refractive state of the eye. Examples would be hyperopia (farsighted, longsighted vision), myopia (nearsighted, shortsighted vision), or astigmatism (irregular cornea).

Phacoemulsification

Eyewear; Optometry

A cataract surgical procedure which uses an ultrasonic vibration to shatter and break up a cataractous lens, making it easier to remove. The vibration is delivered by an irrigation-aspiration ...