As long as our eyes do what they're suppose to, most of us take them for granted.  Given how simple regular eye care is, though and how dangerous neglecting it can be.  When one eye works better than the other, the brain compensates by ignoring information from the bad one.  So even if you think your eyes are fine, have them checked says an eye specialist.  The American Optometrical Association recommends that adult have examination every two years, if you have diabetes or hypertension, or if your job demands close, focused work, regular examinations are even more important.   Steroids, antidepressants and other medications can also affect vision says an ophthalmologists.

Webster dictionary describe an ophthalmologist as a doctor who specializes in diseases of the eye, can test for treat eye-related ailments while an optometrist can test and correct your vision.  Ophthalmic exams can reveal clues to other diseases, such as hypertension, diabetes before symptoms show up elsewhere.

Faulty vision are usually corrected with eye glasses or contact lenses.  Doctors has been developing surgical techniques to deal with simple vision problems.  One if these techniques, known as radial keratotomy can correct mild to moderate myopia and astigmatism, an irregularity, in the corneal surface of one eye.

Watch out for these signs:

Changes in vision-being able to see better on one day than another.  Seeing double are warning manifestations of diabetes, and it may mean that the disease has not been properly controlled.  Being able to see better on cloudy days or in the evening, sunny days, or seeing a rainbow or halo around glowing streetlights are also possible signs of cataracts; while dark circles under the eyes and water accompanied by a runny nose can mean that you have allergies.

Eye

Exercise your eyes

According to eye specialists focusing exercise can strengthen the lens of the eyes.  With a small print book or map sit in natural sunlight.  Focus first on the print then focus on an object six to nine meters away.  When the object has become clear, return vision to the reading material and refocus.  Repeat back and forth, focusing twenty times with both eyes, then ten times with each eye individually.  

Prevent the aging of the eye with eye rotations.  Move eyes all the way to the right, then move them all the way to the left.  Move eyes straight up as high as you can see, then down.  Rest and then rotate diagonally, left and right, up and down and down to up.  Then slowly rotate eyes in circles.  These exercises strengthen the muscles that surround the eye.

Resource:  Woman Today