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If it's been a while since your last eye exam--or if you've never had one done--it's always nice to know what testing you might have done and what issues the eye doctor looks for. Here's the scoop on some common testing...
Visual Field
The visual field test is designed to check your peripheral vision, which isyour ability to see things where you are not directly looking.
When we test your vision on the basic eye chart, we are testing how well you see right in the center and it gives us no idea if you can see out away from the center. Your peripheral vision is very important because it gives you the ability to move around your environment without running into things.
There are several diseases that can severely impact your peripheral vision while leaving central vision unaffected. Some people can have perfectly normal 20/20 central visual acuity and have almost complete loss of their peripheral vision.
The main culprits that can have a big impact on your peripheral...
Lyme disease is an infection that is caused by a spirochete (a type of microorganism) called Borrelia burgdorferi, and more rarely by Borrelia mayonii. It is transmitted to humans by the bite of a deer tick.
The disease has a strong geographical incidence, being highly concentrated in the Northeastern United States and also in Minnesota and Wisconsin. However, the tick's habitat has been spreading rapidly, and it is always a good idea to be cautious and consult medical help if you think you might have been bitten by a tick that could possibly be infected.
Lyme disease was first recognizedin the area of Lyme, Connecticut, in 1975. It can start with a characteristic “bull’s eye” rash, in which there is a central spot that is surrounded by clear skin that is then ringed by an expanding rash. It can also appear just as an expanding rash.
This rash usually starts within days of the tick bite. Eye problems can occur along with this rash in the first phase of the disease. This...