FAQ: Eye Problems
What is astigmatism?
Astigmatism occurs when the front or the inside of the eye is not perfectly round like a basketball but more shaped like a football. Here when rays of light come into your eye light is bent along two meridians instead of one. Astigmatism can cause blurrring at distance and near if severe enough.
Why is that as the end of the day my eyes are watery, itchy, scratchy, red, and irritated?
I try the get the red out drops but they don't work all the time. What can I do? You have dry eye syndrome as long as your eyes are free of infection and any allergies. This can occur with or without the wearing of contacts. Dry eyes can be potentiated with age, hormone replacement therapy, birth control, smoking, beta blockers for hypertension, very low humidity, auto immune diseases like arthritis, staring like what's typical at a computer monitor, anti depressants, and many other factors. What essentially happens is that those predisposed tend to produce less and less of the fatty, oily, mucusy tears and the reflex or watery tears tend to be over secreted. Like the oil in the engine of your car that keeps the parts moving freely and easily without burning out the oils secreted to the front of your eyes does the same thing whenever you blink by keeping the back of the lids smooth and moist whenever they come into contact with your cornea and the white of your eyes when you blink. There are artificial tears that can assist you in keeping the eyes moisturized and healthy but you will always need to keep a bottle handy and will need to apply them at least five times a day indefinitely. Get the red out drops only constrict the superficial blood vessels overlying the white of the eye (sclera) preventing blood to flow through them and thus giving the eye an overall white color. They are usually only good for acute allergic problems and can tend to dry out an eye even more atop being "eye addicting." More permanent treatments are punctal plugs, laser or electrocautery to the openings in your lids that drain the tears. If successfully inserted or performed they would act like stoppers you might place in the drain of the seek to prevent water from leaving. Here you would need less instillation of artificial tears and ointments. Punctal plug procedure is non surgical and reversible however laser and electrocautery aren't. Request a symptom checklist at your next eye exam.
What is farsightedness?
If you can see objects at a distance clearly but have trouble focusing well on objects close up, you may be farsighted. Your eye care practitioner may refer to farsightedness as longsightedness or by its medical names, hypermetropia or hyperopia. Hypermetropia causes the eyes to exert extra effort to see close up. After viewing nearby objects for an extended period you may experience blurred vision, headaches and eyestrain. Children who are farsighted may find reading difficult. Hypermetropia is not a disease, nor does it mean that you have "bad eyes". It simply means that you have a variation in the shape of your eyeball. The degree of variation will determine whether or not you will need corrective lenses.
Hypermetropia mos commonly occurs because the eyeball is too short; that is, shorter from front to back than is normal. In some cases, Hypermetropia may be caused by the cornea having too little curvature. Exactly why eyeball shape varies is not known, but the tendency for farsightedness is inherited. Other factors may be involved too, but to a lesser degree than heredity.
May people have a degree of farsightedness. yet is is only a problem if it significantly affects our ability to see well or causes headaches or eyestrain.
If glasses or contact lenses are prescribed, it may take a few days to adjust to them. After that, farsightedness probably will not significantly affect your lifestyle.
An immediate relative has macular degeneration and can no longer see to drive - can this happen to me and what can you do to help?
An immediate relative has macular degeneration and can no longer see to drive - can this happen to me and what can you do to help? First of all you need to have yearly dilated eye examinations to closely monitor the back of your eyes. The rest is prevention that is also good for overall health. Avoid smoking or smokers, wear good ultraviolet blocking sunglasses and keep a good diet rich in green, leafy vegetables. A good multivitamin with lutein can also be used but be careful that you don't overdose. Always consult your family doctor about all of your medicines. If you should happen to get macular degeneration or any other sight depleting condition than a low vision provider (rehabilitative specialist) could be your best source for assistance. Here the exam will be done to maximize your remaining vision to the highest levels by the use of appropriately prescribed and fitted spectacle telescopes for distance and magnifiers/microscopes for near let alone closed circuit television aids for those who have profound central vision loss.
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