The Snellen eye test, designed by Hermann Snellen in the 1860s, is one of the most familiar sights at any eye doctor's office. Comprising 11 rows of letters or symbols that become progressively smaller, the Snellen eye test measures visual acuity, which measures both sharpness of vision and the ability to recognize letters or figures at a certain distance when presented with clear contrast, such as black letters on a white background.
During an eye exam, the doctor gives a prescription for glasses that has numbers on it. These numbers are the power of the lenses. A lensometer is an optical machine that looks similar to a large microscope. Opticians and eye d...
Since babies cannot complain of changes or problems in their vision, parents have the responsibility of noticing eye conditions. Older children may not realize they cannot see well, and parents or teachers may notice the need f...
As part of your preventive health care, it's important to schedule regular eye and vision exams. Because some conditions have no obvious symptoms, you may be unaware of problems that can affect your eyesight. Periodic exams ca...
The eyes not only provide visual images of the world, but they may also give clues to other health conditions. Eye exams allow eye care professionals to ensure the best possible vision and eye health. If an eye doctor looks in ...
Eye exams evaluate much more than your ability to distinguish a fuzzy letter 'O' from a fuzzy letter 'Q'; in many cases, they are crucial in detecting serious diseases. According to the American Optometric Association, a health...
Deciding on where to go for an eye exam can be a confusing process. Several trained eye specialists use the title "doctor," which does not always indicate that the person is a medical doctor. However, many people don't need to ...
Regular eye exams help maintain good vision and keep eyes healthy. Most eye care providers perform vision screenings and general eye care. However, if a person has a medical eye condition or a family history of eye disease, it ...
During an eye exam, ophthalmologists have a technician gather all health information and check eye pressure and vision. The ophthalmologist will then check the health of the eyes. For these complete exams, ophthalmology offices...
Eye care professionals gather each patient's medical information, such as allergies to medications, to monitor eye health, but also to avoid complications from any part of the exam. Knowing the dangers related to eye exams may ...
During an eye examination, the doctor looks through the pupils to physically inspect the anterior chamber of the eyes. By use of dilating drops, he can temporarily paralyze the muscles that control the iris, roughly doubling th...
Many people should see their eye doctors more often. According to the American Optometric Association and the American Academy of Ophthalmology, factors such as age, eye health and family health history determine how often one ...
Regular eye exams should be a part of your regular fitness routine. Too often we don't even know how bad our vision is getting until we get glasses and realize what we've been missing. Children usually get some kind of eye tes...
Vision loss is one of the worst fears that many people harbor. However, it doesn't have to be the end of the world, since many blind people live full and exciting lives. If you begin to have eyesight problems, you can get your...
