It is most important to take care of your eyes if you are expecting clear eyesight throughout your life time.
Moreover, your eyes are a window to your overall health. For example, your eyes act as a good indicator to spot early chronic systemic diseases such as high blood pressure and diabetes. Good vision care helps to protect your eyes and prevent eye damage that accompanies some diseases like diabetes.
Do not simply take your eyes for granted . It is important that you vision is evaluated on a planned periodic schedule. A complete eye examination is not just to identify the letters on the Snellen eye chart it is much more comprehensive.
To fully evaluate your vision health examinations should be performed by an eye doctor who is either an optometrist or ophthalmologist. A complete eye examination usually include precise testing of your vision particularly if you have risk factors for certain eye diseases or if you do have vision issues
Below are some of the vision health evaluation tests that your doctor may perform. Several tests may be carried out including.
- The Snellen eye chart is used that measures the visual acuity, sharpness and to determine the clarity of your distance vision
- A Slit-lamp test is done to uncover a wide range of eye conditions and diseases. The slit lamp is a high-intensity light source that is used in conjunction with a biomicroscope to examine the anterior and posterior segments of the eye.
- Using the slit lamp, the doctor can microscopically examine your eyelids, conjunctiva, iris, lens, sclera, and cornea. As well, the macula, retina and optic nerve can be methodically observed. This exam aids in diagnosing injury to the cornea, or corneal ulcers, macular degeneration, cataracts, detached retina, blockages of the retinal vessel or diabetic retinopathy.
- A refraction exam is the test that is used to diagnose refractive errors and to determine the exact eyeglasses or contact lenses prescription that is needed for correction. This test is normally given as part of a routine eye examination. The results of this test can also be used to help diagnose other eye abnormalities including astigmatism, myopia, retinal detachment, macular degeneration or an ulcer or infection on the cornea.
- A visual field test may be done during a comprehensive eye exam. Visual field testing assesses the full horizontal and vertical range and sensitivity of your vision. Doing a visual field test allows your eye doctor to check for the possible presence of blind spots in your peripheral or 'side vision'
- Blind spots can stem from eye diseases such as glaucoma or a brain injury like a stroke. The visual field test is often used to diagnose and determine the severity of or to monitor glaucoma optic nerve damage. Glaucoma is a serious eye condition that harms your optic nerve causing a loss of vision.
- Glaucoma creates a very specific visual field defect. However, many other eye and brain disorders can also cause peripheral vision loss or other visual field abnormalities
- A Tonometer eye examis done to measure the intraocular pressure inside your eye. The tip of the Tonometer just touches the cornea to give the pressure reading. This test can help your doctor determine whether or not you may be at risk of glaucoma, if glaucoma is present or rule out early signs of the disease .
When it comes to your eyes be health smart. It is prudent to make visual screening a part of your health maintenance practices. Visual testing can find the early stages of serious but treatable eye diseases.
A follow up to your eye examinations may include interventions either surgical or other therapeutic approaches such as prescribed eyeglasses.