A variety of eye tests
Many people can not realize that their vision is actually declining gradually that a pair of eyeglasses is needed or there should be a change of eyeglass prescription. It is highly recommended by most eye doctors that individuals should visit an eye doctor for regular eye tests. Actually an eye testing is more than offering prescription check or update. Comprehensive eye exams are also capable of detecting early signs of eye diseases such as glaucoma and cataracts. Other vision-related health problems such as diabetes and high blood pressure can also be monitored.
Eye test is just a basic concept and there are a variety of eye tests. Each one has its own feature and function, which in most cases can not be replaced with another. In this case, people who are planning to see an eye doctor for an eye exam should keep clear in mind the difference of the kinds of eye tests and what they can get from certain tests.
A focimetry exam is always conducted by the doctor to determine the current prescription strength if the patient is wearing eyeglasses. To ensure the stability of the prescription, the eye doctor is also likely to give refraction, which can also verify the current prescription. In detail, an auto-refraction will first be used to determine the baseline prescription. And a second light-based exam named slit lamp exam can examine the patient’s cornea, conjunctiva, lids, iris and lens using a microscope and a small beam.
For additional information, the patient can also receive an ocular muscle assessment, which can evaluate the strength and flexibility of the eye muscles. Moreover, a tonometry exam is sometimes carried out to measure the eye pressure, which always helps in diagnosing glaucoma. At the last, the internal eye may be tested through a retinal exam, in which case eye drops are needed.
Regular vision examination is only one of the services that are enabled by consulting a health professional for everything checks. These doctors’ visits are indispensable actions to maintain a healthy lifestyle, in addition to exercising, taking vitamins, eating healthily and refraining from smoking and so on.