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What should i wear while riding a bike contact lenses or glasses?
Obviously the glasses. Contact lenses will protect only the retina of the eye. Rest of the eye is exposed to the dust particles. You should use the glasses which will not allow entry of the dust particles in the eyes. So called bikers glasses. But it is better to have any type of glasses than none.
When should you use contact lenses?
Whenever you want to avoid wearing glasses.
How do I get rid of my glasses without doing laser eye surgery because Im too young and Im only a kid.....?
Use contact lenses
What things use convex lenses?
You know those microscopes? Well, you probably do. A convex lens can be found in a microscope. Concave AND convex are both used in this item. You can also check www.brainpop.com on microscopes depending on your age (3-5 grades). It sadly cost money. There are also farsightedness glasses that use convex lenses. And you might've guessed, nearsightedness glasses use concave. Magnifying glasses are of convex lens use, too. Then there's also contact lenses. Magnifying glasses, telescopes, vehicle mirrors and more mirrors in hospitals and other building use these lenses. Sorry if this paragraph was too long but I hope this was helpful!
Poor vision results when the image formed by the lens of the eye is in sharpest focus in front of or behind the retina of the eye This can be corrected by?
A common way of correcting this problem is the use of corrective lenses in glasses or contact lenses
What type of sunglass lenses must a contact lenses wearer use?
You can wear your normal sunglasses if you want to be careful you can wear something a little bit stronger but you shouldn't have to change anything
What devices use lenses to produce a real image?
Convex lenses are used for glasses since it can bend light to provide better eyesight. Their also used for cameras, telescopes or science purposes. Also you have double convex lens in your eye.
How do you correct for myopia?
Eye care professionals most commonly correct myopia through the use of corrective lenses, such as glasses or contact lenses. It may also be corrected by refractive surgery, though there are cases of associated side effects. The corrective lenses have a negative optical power.
How many people in the world use glasses?
i think its around 65% but I'm not for her-sure
How use the contact lenses?
hold the lenses and put it into your black eyes (or other color)
Does flourecein dye stain contact lenses?
Yes, it will stain soft contact lenses. It will not, however, stain hard contact lenses. If you are concerned, use large molecule Fluroescein dye. (ie-flurasafe)
What materials are used in the PureVision contact lenses?
PureVision contact lenses are designed to give one healthy eyes, outstanding comfort and visual quality. The materials they use to make contact lenses are not known. However, they use patented Aergel material.
