4 Terms
Contributors in Eye surgery
Eye surgery
Endophthalmitis
Eyewear; Optometry
An inflammation within the eye. Inflammations may be caused by organisms such as bacteria or may be sterile as in immune disorders. Endophthalmitis usually indicates an infectious disease, but ...
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.