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Close to your eyes

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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Methods of Adapting to Bifocal or Progressive Eyeglasses

Recent years, more and more middle aged people suffer from hyperopia. So the multifocal prescription eye glasses enjoy higher and higher market shares.However, you have to spend some time in adapting to the multifocal eyeglasses if it is your first attempt on it.We should take a scientific attitude toward this process.How to see the objects in different distances clearly at the beginning of wearing the progressive and multifocal glasses?cheap ugg boots

Objects that are far away: head up; look ahead directly by focusing your sight on the upside of the whole lens. ugg Objects at close range: there should be an angle of about 45 Objects in middle distance: look through the middle part of the lenses. ugg The further the objects locate, the upper of the lenses your eyes should focus on and vice versa. What kind of uncomfortable symptoms will occur to those who wear multifocal plastic glasses for the first time?ugg boots

Be light in the head,be unsteady on one`s feet,need to be careful when doing sports or going upstairs. You are likely to get the false sense on the space state in the field of vision.You are unable to distinguish the objects on different distances. Your eyes may not feel well when focusing on the objects in near distance, for your eyeballs should move to the lower side. It is hard for you to see things clearly if you look things through the edge of the lenses. So the new wearer should turn head more and your eyeballs less,and use the distant, nearby and mid area to see the objects.

Vision Library is the information source in area of vision care, including eyeglasses, sunglasses, contact lenses, sports protective eyewear, vision error and diseases, vision surgery, ageing and kid’s vision etc., solely sponsored by Firmoo.com, an emerging online optical store offering high quality eyewear at the lowest prices.Firmoo’s return and refund policy make any purchase risk-free.

Article Source:http://www.articlesbase.com/vision-articles/methods-of-adapting-to-bifocal-or-progressive-eyeglasses-1421377.html

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