Where your iris and pupil are on your eye, there is a slight round bump, as shown in this picture: http://www.retinaaustralia.com.au/images/eye6.gif A contact lens is shaped precisely to the size and shape of that bump, so that when you place a contact lens in your eye, the contact lens tries to find the place that it fits around perfectly, which is over your pupil and iris.
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Contact lens cases can be purchased from department stores and pharmacies such as Wal-Mart, Rite Aid, and Walgreens. These plastic cases keep delicate contact lenses safe from dirt and damage.
The crystalline lens, located behind the iris and pupil in the eye, is the second structure that holds the lens in place and allows it to change shape for focusing. This lens is responsible for fine-tuning the focusing of light onto the retina to produce a clear image.
Pop the dry open case in the microwave for 3 minutes. Be careful it may be hot afterward. Source: Department of Ophthalmology, University of Graz, Graz, Austria. US National Library of Medicine
Lens is part of contact.
Some contact lens solutions may contain proteases as a disinfectant agent to help break down and remove protein deposits that can accumulate on the lens surface. These proteases help to keep the lenses clean and maintain their clarity and comfort for wearers.
There are numerous choices when it comes to buying contact lens. People choose contact lens for different reasons, but the most obvious reason is style. Many people like not having to wear glasses. It can totally change their look and style. However, an uncomfortable pair of contact lens can be very unpleasant. When you go to the eye doctor, this professional will decide if you are a good candidate for contact lens. Then the doctor will write a prescription for a specific type of contact lens. Normally, the doctor will take in consideration your life style. The type of work and activities you perform can make a difference in the contact lens you should wear. Most patients get to try on the new pair of contact lens before leaving the eye doctor’s office. You can determine the comfort level of the contact lens at this point. If there is a problem, the doctor will change the prescription. Furthermore, once you go home with your new pair of contact lens, it is important to keep them clean. Some contact lens must be taken out nightly; others can be worn for an extended period of time. It is important to pay attention to the instructions for your specific type of contact lens. Failure to follow the instructions can result in unpleasant consequences. Proper cleaning of the contact lens is important. Taking the contact lens out as directed is also important. Proper care of your pair of contact lens can lead to a successful experience. Additionally, there are contact lens available that have different qualities. Some are colored; others are more moist. Recently, a pair of daily disposable lens were introduced. There are so many options to choose from. Wearing contact lens is an excellent experience for many people. People that wear glasses like the freedom this eye wear affords them. They are able to switch up their look and have another option. It is advisable to always keep a back up method of eye wear available. There can be some days when the eye may be irritated. Or there may be times when the eye simply needs to rest from the contact lens. Wearing your glasses during these times is best.
I have a prosthetic eye. It's like a contact lens, and it goes in similar to a contact lens
the first contact lens ever made was made out of glass.
Your contact lens will stick to the "least wet" thing it is in contact with. Try putting a couple of drops of solution on your finger so that the lens can easily move off your finger onto your eyeball. The easiest way that I find to put a lens in is to place it on the eyeball and then slowly move your eye (ie look away). Because of the shape of the lens, it moves with the eyeball and "off" your finger.
no that is not true my mother has astigmatism and she has contact lens'.