Contact lenses have come a long way and offer some exciting options.You can shoot a pair of baby blues one day, then flash golden tiger eyes the next.You can even throw disposable lenses in the trash every night.
Contact remains an effective, nearly invisible tool for people with vision problems.Thin plastic lenses fit over your cornea – the clear front of the eye – to correct vision problems, including nearsightedness, farsightedness and astigmatism.You can wear contact lenses even if you have presbyopia and need bifocals.
Discuss with your ophthalmologist the type of lens that is best for you.Get regular eye exams to keep your peepers healthy and make sure your prescriptions are kept up to date.
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They are made from a special type of plastic mixed with water.The water content allows oxygen to pass through the lens to your cornea.This makes the lenses more comfortable, reduces eye dryness, and helps keep the cornea healthy.If it doesn’t get enough oxygen, it can swell, become cloudy, and cause blurred vision or other more serious problems.
advantage.Many soft lenses are disposable, so you can throw them away after a period of use.Having a new pair of soft contacts means less chance of infection, less cleaning and more comfort.
While soft contact lenses are usually disposable, whether daily, bi-weekly, or monthly (all of which need to be removed and cleaned at night), some soft contact lenses are not.Depending on your eye needs, in rare cases, you might wear the same pair of glasses for about a year, then take them out and clean them every night.These are usually custom-designed contact lenses.
Soft lenses feel better the first time you put them on than the other major types of contact lens hard breathable lenses.
shortcoming.Soft contact lens materials are more likely to absorb particles, chemicals, bacteria and mold than hard and hard breathable lenses.They pick up all kinds of things that can irritate your eyes—the fumes and sprays in the air, and the lotion or soap on your hands.Soft contacts are also more fragile.They rip or tear more easily than rigid or breathable lenses.
Remember, colored contact lenses are a medical device just like clear lenses.Get them from your eye doctor and nowhere else.Don’t share them with anyone.Clean and care for them as you would any prescription lens.
As the name suggests, these are harder than soft contacts.They are made of silicone and are designed to allow oxygen to pass through your cornea.
advantage.You may see better than with soft lenses.They can correct a lot of astigmatism.They are easy to care for and durable.
shortcoming.first.The lens does not feel as comfortable as the soft touch.It takes longer to get used to them, so you need to wear them every day.
As we age, the lens in the eye loses its ability to focus from far to near — a condition called presbyopia.When it’s hard to read up close, you know you have it.
If you have problems with both near and far vision, bifocal lenses can help.They have both your distance and near prescriptions in one lens.They come in soft and breathable options.
Your eyes will not have the same prescription.One will be used for distance vision and the other will be used for near vision.It may take a while to get used to.Each eye works independently.This makes it harder for them to cooperate.You may have depth perception issues.This can make driving difficult.You may need to adjust your gaze more frequently so that one eye or the other can see properly.
Another single-vision option: wear bifocals in one eye and single-vision in the other.This makes driving easier.
Another option: Get your distance vision contact prescription.Wear reading glasses on your contacts when you need to take a closer look.
If you have astigmatism and want to wear contact lenses, you need toric lenses.They’re made from the same material as the other contacts, but work with your eyeballs, which aren’t exactly round.They come in soft or hard breathable forms, long wear, daily disposables, and even tinted lenses.Like bifocal lenses in a pair of eyeglasses, toric lenses have two abilities in one lens: one for correcting astigmatism and one for nearsightedness or farsightedness.
If you are mildly nearsighted, your eye doctor may recommend orthokeratology, or Ortho-k for short.They will use special contact lenses to reshape your cornea – and improve your vision.But the results only last as long as you are connected.
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This procedure is not widely used because laser vision correction provides the same results in less time and is permanent.Laser surgery is now OK for professionals — like military or airline pilots — whose jobs don’t allow them to do it, but you still have to qualify as a good candidate for laser eye surgery.
Contact Lens Association of Ophthalmologists: “Rigid Contact Lenses,” “Soft (Toric) Contact Lenses.”
Post time: Mar-07-2022
