If you have been diagnosed as having a cataract, there is no need to worry. Cataract formation is frequently a part of the eye's aging process. Today vision is restored to more than 1.5 million patients each year through a safe microsurgical procedure to remove the cataract.
It is a complication of diabetes and is caused by the deterioration of blood vessels which nourish the retina at the back of the eye. These damaged blood vessels may leak fluid or blood. When bleeding occurs in retinopathy, the patient has hazy or complete loss of sight. Though there is no symptom of pain, this severe form of diabetic retinopathy requires immediate medical attention.
Many people complain about black spots, specks or cobwebs floating in their vision. This is more common the older we get. The inside of the eye is hollow and filled with a gel-liked liquid resembling raw egg white called " the vitreous ". With age or injury, condensation material normally forms in the vitreous.
Glaucoma is an eyedisease where the fluid in the eye does not flow normally. As a result, the pressure inside the eye rises and damages the sight. If the pressure remains high, it can cause blindness. The early visual changes are very slight and do not affect the central vision - the center portion of what is seen when looking straight ahead or reading.
Macular degeneration is the name given to certain conditions affecting the retina which causes loss of central vision. The macula is the small central part of the eye and it plays a critical role in vision. Macular degeneration is difficult to describe because of the variations and progress that differ from person to person.
A pingueculum is often confused with a pterigium. A pingueculum is an elevated bump on the white of the eye on the nasal side of the globe that does not grow onto the cornea. It can be red, irritated and inflamed. With time it may become yellow due to exposure to sunlight.
A pterigium is a pink, fleshy growth starting on the nasal side of the white of the eye and growing laterally across the cornea. It is usally confused with a cataract. With time a pterigium becomes larger, redder, inflamed, uncomfortable, unsightly and may interfere with vision. It can be removed in a simple, safe, painless operation with anesthetic eyedrops.
Myopia or nearsightedness occurs when light rays focus in front of the retina, causing objects seen at a distance to be indistinct. Treatment is with glasses, contact lenses or surgically with Lasik treatment. Hyperopia or farsightedness occurs when light rays focus behind the retina, causing close objects to be indistinct. Treatment is with glasses, contact lenses or , depending on the degree, with Lasik treatment.
This is a serious eye problem that may occur at any age without apparent cause. However, it most frequently appears in middle-aged and older individuals. A hard solid blow in to the eye may detach the retina as well. Most retinal detachments are caused by the presence of one or more small holes or tears in the retina.
This is an inherited disease that eventually leads to blindness by age 60. It affects both eyes. The first problems are seen in teenagers and young adults. They develop night blindness, then a circular peripheral blindspot, then tunnel vision. Usually there is good central vision but poor side vision which makes it difficult to walk or drive.