The power of accomodation of eye usually decreses with age it is called as
Answers
the power of accommodation of eye usually decreases with age is it is called as presbyopia
Explanation:
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Answer:
presbyopia
Explanation:
All of the eye structures change with aging. The cornea becomes less sensitive, so you might not notice eye injuries. The pupils may react more slowly in response to darkness or bright light. The lens becomes yellowed, less flexible, and slightly cloudy. The fat pads supporting the eyes decrease and the eyes sink into their sockets. The eye muscles become less able to fully rotate the eye.
As you age, the sharpness of your vision (visual acuity) gradually declines. The most common problem is difficulty focusing the eyes on close-up objects. This condition is called presbyopia. Reading glasses, bifocal glasses, or contact lenses can help correct presbyopia.
You may be less able to tolerate glare. For example, glare from a shiny floor in a sunlit room can make it difficult to get around indoors. You may have trouble adapting to darkness or bright light. Problems with glare, brightness, and darkness may make you give up driving at night.
As you age, it gets harder to tell blues from greens than it is to tell reds from yellows. Using warm contrasting colors (yellow, orange, and red) in your home can improve your ability to see. Keeping a red light on in darkened rooms, such as the hallway or bathroom, makes it easier to see than using a regular night light.
With aging, the gel-like substance (vitreous) inside your eye starts to shrink. This can create small particles called floaters in your field of vision. In most cases, floaters do not reduce your vision. But if you develop floaters suddenly or have a rapid increase in the number of floaters, you should have your eyes checked by a professional.
Reduced peripheral vision (side vision) is common in older people. This can limit your activity and ability to interact with others. It may be hard to communicate with people sitting next to you because you cannot see them well. Driving can become dangerous.
Weakened eye muscles may prevent you from moving your eyes in all directions. It may be hard to look upward. The area in which objects can be seen (visual field) gets smaller.
Aging eyes also may not produce enough tears. This leads to dry eyes. When dry eyes are not treated, infection, inflammation, and scarring of the cornea can occur. You can relieve dry eyes by using eye drops or artificial tears.
Common eye disorders that cause vision changes that are NOT normal include:
Cataracts -- clouding of the lens of the eye
Glaucoma -- rise in fluid pressure in the eye
Macular degeneration -- disease in the macula (responsible for central vision) that causes vision loss
Retinopathy -- disease in the retina often caused by diabetes or high blood pressure
If you are having vision problems, discuss your symptoms with your provider.