A phoropter is a large device containing several lenses used to determine the lens prescriptions that patients need. Optometrists use this device by having the patient sit in an exam chair and look at an eye chart through the different lenses of the device. The eye doctor will ask the patient which lenses enhance their vision and which don't. A phoropter is very common and almost always used during eye exams.
One instrument that is helpful in discovering diseases of the eye is the slit lamp, which is comprised of two separate devices. It combines a microscope with an intense light source that is focused into the eye, giving the eye doctor an effective view into different parts of the eye. It was developed over the course of the 20th century and is now commonly used in the offices of eye doctors all over the country.
About 5 years ago, I started seeing a psychiatrist about some anxiety that I have. It has been something that has followed me for a while and I am so glad that I decided to get professional help about it. The one thing that is hard is that I have to see the doctor at least once a year to [...]
Many people are looking for a good way to get dental implants. My grandma was one of these people. She didn’t like the idea of having normal dentures and so we looked into other options for her. The procedure that came most highly recommended was all on four in Edmonton. This is a very innovative procedure that is suppose to [...]
Taking care of your teeth is one of the easiest things that you can do to help with your overall health. Your mouth is one of the first lines of defense your body has against infection and disease. Your saliva is able to break down things that could harm you. Your teeth have enamel to keep infection at bay. Your [...]
Mens health supplements can help increase health. Research shows the benefit of a healthy diet. Individuals should obtain many of their essential nutrients from food such as fruits, vegetables, legumes and lean meats. However, not everyone eats as healthy as they should. A supplement benefits those who do not derive all of their nutritional needs from their diet.
The USDA [...]
A hospital in Richmond is going to be the primary place you need to go if you have any kind of medical emergency. A hospital in Richmond will have all of the services under one roof that you will need to take care of any urgent medical services, as well is having quite a few specialists under that same roof [...]
There are many people living in the United States and Canada with hearing loss. Millions of people, in fact, suffer from some degree of hearing loss that affects their daily lives. Most often, those with hearing loss are elderly individuals whose hairs in their ears responsible for hearing have been worn down. These hairs are intended to transmit sound waves [...]
One device that revolutionized eye care was the opthalmoscope. This device was invented in the middle of the 19th century and is still in use today. A direct opthalmoscope is a handheld device that is used during regular eye exams to magnify the eye. It primarily helps to determine the health of the retina. Indirect ophthalmoscopes are used for much the same purpose but are worn as a headband by the eye doctor.
Though it is probably one of the most basic instruments used by eye doctors, the eye chart is nevertheless very important in determining patients' ocular health. There are several different types of eye charts, but the most common ones utilize rows of letters that gradually diminish in size. The patient will typically start reading from the top of the chart and list off the symbols they comprehend until they can no longer discern visible characters.