Astigmatism No Longer Bars You from Contact Lenses
Astigmatism affects over 40 million Americans and is caused by an irregularly shaped cornea. When the cornea, which acts as a window, is a spherical shape it focuses light correctly upon the retina at the back of the eye; this produces sharp images at all distances. Conversely, in instances where the cornea takes on a more oval shape, the light is focused at two retinal locations rather than one and blurry vision is the result.
Pregnancy and Eye Health
With all the other hormonal and physical changes going on, it should not be surprising that eyesight can also be affected. For the most part, these signs are relatively minor and should not trigger undue worry; they occur as part of a conventional pregnancy, and revert to normal after giving birth. Your eye doctor should be alerted to the fact you are expecting so that any prenatal changes can be adequately monitored, especially if there are pre-existing eye conditions.
Truth Squad: Supplements for Eye Health
Lara Salahi & ABC NEWS MEDICAL UNIT
As with many areas of health, not all of these claims are backed by solid research. But while many eye health experts approach popularly marketed supplements, that tout better eye health, with skepticism, there is research that suggests at least some supplements may indeed benefit those at high risk of advanced eye diseases.
Study Suggests Myopia Prevalence Decreases With Outdoor Activity
Myopia, or nearsightedness, is a vision defect that happens when one's eyes are unable to focus the light from distant objects correctly onto the retina. Someone with myopia is able to clearly see objects that are close, but objects that are far away are blurry.
Proper Glucose Control is Key in Prevention of Vision Problems For Diabetics
Diabetes is one of the leading causes of blindness in the United States. It is estimated that more than 14 million Americans have some form of diabetes. Public health officials expect that by 2050, there will be more than 48 million diagnosed cases in the United States.