Distorted or blurred image.
A (Aberration to Automated Lamellar Keratoplasty)
Removal by surgery. To ablate means to remove by surgery.
The ability of the crystalline lens to alter its focus from distance to near or from near to distance.
No colour vision/congenital.
The sensation of a visual image no longer in view for example a light source.
Degeneration in the macular or central retina of the photorececptors resulting in the loss of central vision effecting both reading and distance.
Most at risk when T-cell count falls below 250.Symptoms to look for :- flashing spots or ‘spiderwebs’ blurred vision flashing lights and blind spots.Other disorders include detached retina lid tumours shingles red eye or a spot on the white.
Triggered by the body’s immune system as protection. Causes :- Pollen soaps foods fabrics cosmetics etc.Symptoms :- Watering light sensitivity pain swellings.
Lazy eye. Reduced vision in one or both eyes with no visible signs of abnormalities or disease.
Weakness of the artery wall. Retinal aneurysms can be caused by diabetes.
Benign tumour. Can cause retinal blood leakage and detachment.
No iris/congenital. Results in the inability to control the light entering the eye. Requires a contact lens with an artificial iris.
A measurable difference in the power of each eye. Usually only a problem when 3 or more dioptres of difference.
No crystalline lens.
Unequal curvature of the cornea. Remains relatively constant.
Refractive surgery where an insrument known as a microkeratome lifts a corneal flap and sculpts the remaining corneal tissue.Has gradually been replaced by lasik.