Posts Tagged ‘eye diseases’
If you are one of the patients who have eye problems such as nearsightedness, farsightedness, or astigmatism, you may probably have considered undergoing a refractive laser eye surgery to improve your vision so that you never need to wear glasses or contact lenses any more. Before you actually do lasik eye surgery, there are many things that you should know.
First of all, you should have an eye exam in a licensed eye clinic to see if you are a candidate for lasik eye surgery. If the patients’ vision is not stable, they will not be a suitable candidate for lasik eye surgery. This is also the reason why people under 21 years old or those whose hormones are fluctuating are recommended not to have lasik or any other kind of refractive eye surgery performed. There is about 6% of the American population who have carried out laser eye surgery may have a not favorable result. Some of them may need another eye surgery, but it is not advisable to proceed. Besides, patients who are pregnant or have weakened immune systems are also on the name list of unsuitable people for laser eye surgery. And the patients’ health history, especially any eye injuries or eye diseases, should also provide to the eye doctor to help him judge if you are suitable to undergo the eye surgery.
Then you should discuss the procedure of the eye surgery with your eye surgeon to find a best lasik eye surgery for yourself. For instance, what kind of eye surgery will be performed? Which instrument or laser techniques will be used? It is also important to know the possible complications of the lasik eye surgery sufficiently.
Finally, you should know the cost of each kind of eye surgery. It commonly varies greatly depending on the instrument, techniques, eye doctor, and eye clinic you choose and the condition of your eyes.
You may find the information on the internet or from any local eye clinic.
more info
·The Procedures of LASIK Eye Surgery
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Article Source:http://www.articlesbase.com/vision-articles/things-you-should-know-before-lasik-eye-surgery-1746391.html
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To see from a medicinal perspective, contact lenses are worn to correct myopia (nearsightedness), hyperopia (farsightedness) or astigmatism. Besides, there are also contacts available to enhance or change the color of the eye with or without a prescription for visual correction. Theatrical contacts are also available to give the eye an appearance that matches a theatrical costume like a cat or zombie. We can say, contact lenses benefit many style person.
Contact Lens Types
- Soft Lenses: The most commonly prescribed contact lens are these gel-like containing plastics the size of the iris of the eye. More recently, the silicone hydrogel lenses have been introduced and are generally preferred by practitioners since they allow more oxygen to pass between the lens and the eye and are less likely to dry out.
- Hard Lenses: Made from PMMA, which is plexiglass or lucite, these lenses are almost never used anymore but may be preferred or required by the patient.
- GP or RGP Lenses: These are “oxygen permeable” lenses that are stiff, waterless plastics geared toward patients with presbyopia and a high astigmatism and a smaller than the iris of the eye.
Contact Lens Wear
- Daily Wear contacts can be worn throughout the day but must be removed and cleaned nightly. Daily wear contact lenses come in different durations of wear time and must be eventually disposed of and replaced with a fresh pair. There are contacts that are disposed of daily, weekly or monthly depending on the preference as well as the visual needs of the patient.
- Extended Wear contacts can be safely worn overnight or up to 7 consecutive days without removal. Continuous wear lenses are a type of extended wear that can be worn for up to 30 consecutive nights without removal.
There are also contact options available for more severe eye diseases and may need to be custom made to fit and serve the purpose of a special needs situation. Almost anyone these days can wear contacts, in fact 1 out of 5 people in the U.S. is a contact lens wearer. Whether the purpose for contact lens wear is a replacement to glasses or for more aesthetic purposes there is bound to be a healthy contact option available for everyone.
Love at first sight test
Dark Sparkle-Christmas make-up
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In modern world, with the fast pace of advanced technology and science, it is not unusual for us to find more and more high-tech products. So, for a lady who enjoys dressing up, who feels it an obstacle to show her beauty to others due to that pair of glasses, it is quite normal to buy contact lenses.
It is true that contact lenses can help some ladies get rid of the machine look of wearing frame glasses. However, ladies must be more careful to protect their eyes when wearing contact lenses since they are attached to eyeballs. They are more likely to cause problems to eyes if you do not pay enough attention. Here are some advices for ladies who are wearing or preparing to wear contact lenses.
1.Pay enough attention to hygiene. You must make sure that you wash your hands when you are wearing or taking out contact lenses.
2.You should change your contact lenses and check the health of your eyes regularly. Try to follow the instruction and your optometrist’s advice.
3.Wear your contact lenses before make-up and take them out before remove your make-up.
4.Don’t wear contact lenses when you sleep because they will stop your corneas getting enough oxygen?which is not good for your eyes.
5.You’d better wash your contact lenses with special contact lens care solution in order to kill bacteria. And what’s more, the contact lens care solution should be replaced every four months in case they go bad.
6.You need too use boiling water to wash your contact case regularly for fear of bacteria. Or, it is more likely of you to get your eyes infected.
7.It is better for those ladies who get a cold or fever, in a intermenstrual period, has eye diseases, over 40 years old or pregnant to wear contact lenses not wear contact lenses.
These are advice I give you according to my own experience of wearing contact lenses. Everyone should try their best to protect their eyes. After all, it is eyes that present the colorful world to us. So, take these advices and protect your eyes to enjoy the world.
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Article Source:http://www.articlesbase.com/vision-articles/advice-for-wearing-contact-lenses-1635513.html
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The eye is one of the most important organs of human body. And it is quite critical to take good care of the eyes. Yet there are several top risks that threaten eye health.
Diabetes is always accompanied by high sugar levels, which may damage the blood vessels of the body, especially those in the eyes. Studies have found that excess amounts of blood sugar caused by diabetes can significantly increase the risk of several eye diseases, including cataracts, blood leakage in the retina, macular edema, macular degeneration, and glaucoma as well as eye infections. Associated with so many possible diseases, diabetes has become a top cause of blindness among US citizens.
Natural aging is inevitable in everyone. Vision loss at different degrees is quite common among old people, especially in those above 50. Vision loss caused by natural aging is always gradual and not noticeable. Yet there are still other health conditions that indirectly or directly affect eyesight in older individuals. Those factors include uncontrolled diabetes, high blood pressure, kidney disease, cataracts, AMD, retinal tears and detachment, glaucoma, diabetic retinopathy as well as presbyopia.
There is a great population of smokers in the world. Unfortunately, most people are not aware of the deleterious effects of smoking on the eyes. Smoking has been thought to increase the risk of macular degeneration and cataracts. This bad habit influences eye health by affecting oxygen level in the ocular tissues. Smoking makes a smoker’s heart to work harder and raise blood pressure, which becomes less efficient in delivering sufficient oxygen to the eyes.
High blood pressure in the eyes can lead to small leaks and clots. Blood leakage in surrounding eye tissues usually affects focus ability. And clots in the eye consume precious oxygen and even cause vision loss. Contributors of high blood pressure include heart disease, diabetes, and unresolved renal disease.
Nutrition also plays an important role in maintaining good eye health. People should regularly consume beneficial nutrients such as anti-oxidants including vitamin A, C and E as well as healthy fats such as omega-3 acids. A lifelong unhealthy diet can speed up aging process.
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Firmoo.com is the emerging online optical store selling high quality eyewear, such as prescription eyeglasses (single vision myopic glasses, reading glasses, bifocal and progressive eyeglasses etc.,), prescription sunglasses (with RX tinted lenses), prescription sports goggles. Firmoo guarantees lowest possible price in the market. Firmoo’s return and refund policy makes any purchase risk-free ones.
Article Source:http://www.articlesbase.com/vision-articles/five-factors-associated-with-eye-health-1624090.html