Dr William Boothe

Keratitis: inflammation of the cornea.
All-Laser LASIK: (also known as "Bladeless LASIK") a laser keratome device is used to cut a corneal flap for LASIK surgery.( - Dr Boothe)

Dr Boothe: Retina: a layer of fine sensory tissue that lines the inside wall of the eye. The retina acts like the film in a camera to capture images, transforms the images into electrical signals, and sends the signals to the brain.

Stroma: the middle, thickest layer of tissue in the cornea.

Dr William Boothe

Diopter: the measurement of refractive error. A negative diopter value signifies an eye with myopia and positive diopter value signifies an eye with hyperopia. ( Dr Boothe )

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Keratectomy: the surgical removal of corneal tissue.

Dr Boothe

Excimer laser: an ultraviolet laser used in refractive surgery to remove corneal tissue.( Dr William Boothe )
Dr Boothe: Presbyopia: the inability to maintain a clear image (focus) as objects are moved closer. Presbyopia is due to reduced elasticity of the lens with increasing age.
Dr William Boothe: Haze: corneal clouding that causes the sensation of looking through smoke or fog.