Library Resources

Intraocular Lenses (iols)

Intraocular Lenses (IOLs)An intraocular lens (IOL) is a tiny, lightweight, clear plastic disk placed in the eye during cataract surgery. An IOL replaces the focusing power of the eye’s natural lens.The lens of the eye plays an important role in focusing images on the retina, If the lens loses its clarity, as it does when a cataract develops, light rays do not focus clearly and the image one sees is blurry. Glasses or contact lenses cannot sharpen vision if a cataract is present.The only treatment for a cataract is to remove the lens and implant an IOL. Intraocular lenses have…

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How to insert Eyedrops

How to insert Eyedrops Infections, inflammation, glaucoma, and many other eye disorders are treated with eyedrops. Surprisingly, even the small amount of medication in an eyedrop can create significant side effects in other parts of the body. It is important to remember that all medicines have side effects. There are ways to How to insert eye drops decrease the absorption of the eyedrop into the system and to increase the time the eyedrop is on the eye, making the medicine more safe and effective. Inserting eyedrops may seem difficult at first but becomes easier with practice. To put in an…

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Floater and Flashes

Floaters and Flashes Small specks or clouds moving in your field of vision as you look at a blank wall or a clear blue sky are known as floaters. Most people have some floaters normally but do not notice them until they become numerous or more prominent. In most cases, floaters are part of the natural aging process. Floaters look like cobwebs, squiggly lines or floating bugs, and appear to be in front of the eye, but are actually floating inside. As we get older, the vitreous-the clear gel-like substance that fills the inside of the eye-tends to shrink slightly…

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Eyeglasses

EyeglassesSixty percent of the 161 million Americans who wear prescription eyewear choose eyeglasses. Wearing eyeglasses is one of the simplest ways to correct vision problems.To see images clearly, light rays must focus directly on the retina, the light-sensitive nerve layer that lines the back of the eye.  There are different kinds of focusing problems, called refractive errors, which may require corrective lenses.In the case of myopia or nearsightedness, the eye is too long.  Light rays focus before reaching the retina and images appear blurry.  In hyperopia or farsightedness, the eye is too short, so light rays have not yet focused…

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Eye Care Facts and Myths

Eye Care Facts and Myths Myth Reading in dim light is harmful to your eyes. It is not harmful to watch a welder or look at the sun if you squint, or look through narrowed eyelids. Using a computer, or video display terminal (VDT), is harmful to the eyes. If you use your eyes too much, you wear them out. Wearing poorly-fit glasses damages your eyes. Wearing poorly-fit contacts does not harm your eyes. You do not need to have your eyes checked until you are in your 40’s or 50’s. Safety goggles are more trouble than they’re worth. It’s…

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Detached and Torn Retina

Detached and Torn Retina A retinal detachment is a very serious problem that almost always causes blindness unless treated. The appearance of flashing lights with floating objects, or a gray curtain moving across the field of vision can all be indications of a retinal detachment. if any of these occur, see an ophthalmologist right away. As one gets older, the vitreous, the clear gel-like substance that fills the inside of the eye, tends to shrink slightly and take on a more watery consistency. Sometimes as the vitreous shrinks it exerts enough force on the retina to make it tear. Retinal…

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