All medical information needs to be carefully reviewed with your health care provider. From this pedigree, the patterns of transmission of familial disorders may emerge. Congenital cataracts those present at birth and retinal degenerations rank high among the many genetic causes of blindness. The risk for firstdegree relatives of affected persons to develop this glaucoma ranges from 5 . Artists rendition of a DNA double helix. Genes contain coded information that determines the traits an individual will express. Jay Neitz and his colleagues have identified the types of gene mutations that underlie colorblindness. The carrier is often clinically asymptomatic. Advice of recurrence risks is particularly crucial for those couples wishing to have more children. Genetic counseling is also important because genetic disorders often put emotional stress on the family.

Genetic disorders differ from other medical problems in that they tend to recur within families. Remember, though, that you should have a qualified medical doctor diagnose your color blindness so treatment possibilities can be examined. Learn more about how humans see, how the eye works, color blindness, and more. If both parents are carriers, their offspring have a 25 chance of being affected. Often the abnormality occurs on only one gene. These singlegene defects are the easiest type of genetic abnormality to identify by pedigree analysis. Strabismus, or crossed eyes, is another commonly inherited condition.

They are subdivided into autosomal dominant, autosomal recessive, and Xlinked sexlinked conditions. Approximately one in 12 men has at least some color perception problems. Location for distribution of coronary art. In such cases, the risk of recurrence is estimated statistically. How do you know when youve become a cyberchondriac. Type 1 diabetes, type 2 diabetes, diabetes causes, diabetes treatments and medication, celebrities with diabetes. Periodic screening of atrisk individuals may lead to prevention of blindness through early diagnosis and treatment. Com, the best medical schools, usmle, and residency site in the world.

Less common, acquired deficiencies stem from injury, disease, or the aging process. In the autosomal dominant type, a person who has inherited one abnormal gene will express.

Common Vision Problems Associated With Type 2 Diabetes

Diabetes is the main cause of blindness in adults in the United States. The most common form of Diabetes is type 2 diabetes. In the United States, diabetes is responsible for 7 percent of legal blindness, making it the leading cause of new cases of blindness in adults 22 to 70 years old. Although eye problems are a major concern for type 2 diabetics, most people who have diabetes only have minor eye disorders. The key to keeping these problems from escalating is early prevention.

Eye problems are a long-term complication in type 2 diabetics. High glucose levels and high blood pressure, can cause common vision problems such as, Diabetic retinopathy, glaucoma, and cataracts which are the most common eye problems found in type 2 diabetics.

Diabetic retinopathy is the leading cause of blindness in adults. The retina has tiny blood vessels that are easily damaged by high blood sugar and high blood pressure. Diabetic retinopathy may pertain to retinal blood vessels that swell and leak fluid, or may have abnormal new blood vessels grow on the surface of the retina. A serious complication from diabetic retinopathy is a detached retina. This condition requires immediate attention from your eye doctor.

Glaucoma is another condition common in those diagnosed with type 2 diabetes. Any one can get glaucoma, especially if there is family history of glaucoma. Diabetics are twice as likely to get glaucoma as non-diabetics.

Cataracts are more common, and often occur in the earlier stages of diabetes, and in people who smoke.

Eye problems are common in those diagnosed with type 2 diabetes and most cannot be prevented. Patients who monitor thier diabetes do better than those who are in less control of their illness. A diabetic who closely monitors their glucose levels can still develop diabetic retinopathy. It is very important that you have yearly retinal exams to prevent permanent blindness. To prevent eye problems associated with type 2 diabetes:

keep your blood sugar levels under control

keep your blood pressure under control

do not smoke

immediately report any changes in vision, even blurred vision

have eye exams performed yearly or as often as recommended by your doctor and

if you are pregnant, have an eye exam during the first 3 months of the pregnancy

Schedule a yearly eye exam that checks for diabetic retinopathy, glaucoma, and cataracts, do not wait for a vision change to occur to see the eye doctor.

For more information on type 2 diabetes please visit http://www.type2diabetesdiet.info

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