Occurs when light falls in front of the eyes area of focus. This causes distance vision to appear blurred and is easily corrected with distance spectacles.
A build-up of fluid within the eye can increase eye pressure, which in turn can damage the optic nerve .The loss of visual field normally occurs gradually and slowly and leaves sufferers without symptoms until the late states. This loss can never be recovered, so early diagnosis is essential.
Occurs when light falls behind the eyes area of focus. This causes near vision to appear blurred and is easily corrected with spectacles.
In older people, the centre of the retina, The Macula, thins (dry AMD) and occasionally bleeds (wet AMD). This can lead to distortion or even loss of central vision.
Occurs due to an irregularly shaped cornea. This means your eye is not perfectly spherical. This is commonly described as a “rugby” shaped eye. This is easily corrected with spectacle lenses and special “toric” contact lenses.
Diabetes can cause small blood vessels to leak or burst, blurring vision and leaving dark spots on the field of vision. Early diagnosis and treatment is important is preventing vision loss.
These are small spots in the field of vision, these are often described as “hairs” or “cobwebs” in the patients vision. Although they may be a nuisance they are harmless and often settle over time. If they persist or increase it is advisable to see an optometrist.
If you have any of the following symptoms, you should attend your optometrist as soon as possible:
Cataracts are common in over 60’s. It is the clouding of the lens in your eye and can develop in one or both eyes. Cataracts are always painless and cause a gradual reduction in vision. You may begin to notice your vison becoming misty or blurry. Patients also commonly complain of glare from bright lights. Surgery is the most effective method to restore your vision.
This occurs in your early 40’s. The aging of the eye causes your eye sight to change and results in blurred near vision.