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April 24, 2009

Eye Health Tips for College Students Studying For Exams

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My 2 college age daughters will be home in a few weeks!  With the end of the school year fast approaching many college students are busy preparing for finals and exams. Students face special challenges to the eyes when they are under academic performance pressure. Lack of sleep, prolonged computer use and long hours studying make for tired eyes that are dry, scratchy and achy.
 
Prolonged computer use contributes to eye fatigue because you blink less frequently. Less blinking significantly reduces lubrication in the eye making it feel tired, scratchy and "dry" as a result. Also eyes are not designed for prolonged focus on a single object, such as the computer.
Remedy: place a note on the computer screen as a reminder to blink and to look away from the screen and focus on objects in the distance.  Looking out a window (20 - 20 - 20 rule:  for every 20 minutes of computer work, look away for 20 seconds, and focus on a scene or object at least 20 feet away) is a good break for the eyes. The key is to give your eyes a rest.

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"Dry eye" is a common feeling from not giving your eyes enough rest while some people just naturally do not produce enough tears to keep their eyes healthy and comfortable. Some common symptoms of dry eye are stinging and burning to the eyes, scratchiness, excessive eye irritation from smoke or wind and excessive tearing. Remedy: If you have occasional symptoms of dry eye, you should try eye drops called artificial tears. These are similar to your own tears and help lubricate the eyes and maintain moisture. For persistent "dry eye," see your Eye MD.

Contact Lenses and Sleep Deprivation
When a contact-lens wearer stays awake studying for 18-20 hours or more with their contacts in, it's almost the equivalent of sleeping with contacts in, something that Eye M.D.s warn against. Prolonged wearing of your contact lenses is a problem for people who wear regular hydrogen lenses, since traditional hydrogels are relatively less permeable to oxygen than newer alternatives like silicone hydrogels. The eye needs oxygen to keep it healthy. Without regular exposure to oxygen, the eye's cornea can become inflamed and the vision blurry.  Prolonged contact lens use can even lead to infections or corneal ulcers that in the worst case can permanently damage vision.

Sometimes students fall asleep without knowing it (with their contacts in), while studying. Remedy: Alternate wearing contact lenses with use of eyeglasses during long study periods.  Also, students with irregular sleep patterns can wear contact lenses made of silicon hydrogen, a new material with improved oxygen permeability, which may reduce risk of infection and discomfort.

This article reprinted with permission from the American Academy of Ophthalmology's EyeSmart Campaign.

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Patients with dry eye, either from decreased tear production or increased evaporation of tears, most frequently complain of chronic sandy-gritty irritation in their eyes. Also, patients with dry eye typically note that their symptoms get worse as the day goes on. This is because eye closure during sleep forms a watertight seal over the tear film and gives the ocular surface a chance to recover. When the eyes open, evaporation begins, which increases tear-film osmolarity as the day goes on. If a person has these symptoms for more than 3 months and if the onset was gradual, the patient has dry eye unless the physician proves otherwise.

Computer for very long hours is actually very bad for the eyes.And the students must avoid extensive hours and sometimes take breaks...water the eyes and also look at the greens when possible.

Anyway, it's a Great ideas for eye health ...

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It’s a great post, you really are a good writer! I’m so glad someone like you have the time, efforts and dedication writing, for this kind of article… Helpful, Useful. . .

hehehe ,not just for student, for office worker also quite useful.

What a fantastic discussion. A blog dedicated to an interesting topic was just the thing I needed to cheer up. Thanks.

Just want to say your article is striking. Well with your permission allow me to grab your to keep up to date with forthcoming post.Thanks a million and please keep up the effective work.

The things that you have presented is super true... students most of the time abuses their eyes just to have their assignments, research work or review done not taking into consideration the effect later on. I think this is all true to everybody and we should really give it a break.

Eye care is really important!Actually now days most of the people work on computers so many people finds eyes problem.Thanks for wonderful tips from you.

One of the best eye health tips for college students is to avoid sitting in front of computers for long.

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