Optometry

Optometry

A health care profession concerned with eyes and related structures, as well as vision, visual systems, and vision information processing in humans. The practice of eye and vision care.

Industry: Eyewear; Health care

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Optometry

Endothelium

Eyewear; Optometry

The inner layer of cells on the inside surface of the cornea.

Zernike polynomial

Eyewear; Optometry

Zernike polynomials are mathematical blueprints of ocular aberrations measured with wavefront technology. Each Zernike polynomial, called a mode, describes a certain type of geometric shape, a ...

Ocular rosacea

Eyewear; Optometry

The cause of ocular rosacea is not understood but its symptoms can leave the eyes feeling irritated and "gritty". Patients may experience redness, tearing or crusting on the lashes. See Ocular ...

Enhancement

Eyewear; Optometry

Secondary refractive surgery treatments made to refine or improve the original visual result. Outcome predictability is reduced at higher corrections. Higher corrections and wider optical zones ...

Penetrating keratoplasty (PK)

Eyewear; Optometry

A surgical procedure when a button-like full thickness segment of the cornea is removed and replaced with a donor cornea from another person; a corneal transplant.

Fluorescein staining

Eyewear; Optometry

A tiny amount of a fluorescein dye is placed in the tear film. The colour will make microscopic dots appear where the eye has become dry. Excessive staining is an indication of dry eye.