Posts Tagged “Give”

Question by hannah: Can I have laser surgery to give me perfect vision when i have implanted false lenses?
I was born with cataracts an had my lenses replaced in an operation as a child with a man made lenses but they dont contract like a normal real natural lense. I can see brilliant in distance but close up need to wear glasses. I wish i didnt need glasses cant i have the laser as my lense is false?

Best answer:

Answer by yagman
Laser vision correction does not return the ability to adjust the focus of the eye. Older individuals who have lost the ability to focus their eyes due to aging are in the same situation as you. They may be able to see clearly at a distance but are unable to see at near. Laser will not return their ability to focus nor will it return yours. Sorry.

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Question by dinesh c: my father got operated for cataract,now he has complaint of shadowed vision,pls give some suggestions……..

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Answer by mom_of_1
go back to the doctor

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Question by curiousguy: anyone here undergone cataract surgery in mid 40’s? please give all details?
i am quite afraid of it. heard there are side effects. when exactly u have to do it? have u to wait for the cataract to ripen, or can it be done right away?

Best answer:

Answer by curious cook
I had cataract surgery a few moths back. It was painless, quick and done on an outpatient basis at Johns Hopkins. I now have a lens implant and I do not even feel it. Make sure you get your procedure done by a qualified, experienced doctor. Here is info you are looking for.

What is a cataract?
A cataract is a clouding of the eye’s natural lens. When the lens becomes cloudy, it interferes with the passage of light through the eye, resulting in a decrease in vision. The lens of the eye is similar to the lens of a camera. When the camera lens is not working properly you get a blurry photograph. When the lens of the eye becomes cloudy your vision decreases and things appear blurry.

What causes cataracts?
Most cataracts are related to the natural ageing of the eye. However, other factors can be involved. Some diseases, such as diabetes or glaucoma, or the use of certain medications, such as steroids, are thought to increase the chances of cataracts occurring. Often, a cataract only covers a small part of the lens; if sight is not greatly impaired there is no need to remove the cataract. However, if a large portion of the lens becomes cloudy, sight can be partially or completely lost until cataract removal occurs.

Who can have a cataract?
Cataracts can occur at any age. Most cataracts occur in people who are 60 years of age or older, although a smaller number of people develop cataracts between the ages of 45 and 60. Some cataracts occur in children at birth due to genetic disorders or if the mother had rubella (German measles). Cataracts due to injury can occur at any age.

What are some cataract symptoms?
If you have cataracts you may not realise it right away. Vision loss may be gradual, painless and hard to detect until significant loss has occurred. Depending on the nature and cause, cataracts can develop rapidly over a few months or slowly over many years. In older people, it is not unusual for cataracts to develop in both eyes but most of the time the cataract develops in only one eye at a time.
Some of the more common symptoms of cataracts include:
Blurred vision
Glare
Fading or yellowing of colours
Poor night vision
Double vision in one eye
Halos around lights

People with a cataract in only one eye may notice a loss of depth perception; this can cause problems in judging where stairs are and determining the distance of cars driving in front of them.

What treatment for cataracts is available?
Presently, there is no medication, eye drops, exercises or glasses to cure or prevent cataracts. Cataract surgery is the only way to remove a cataract. Cataract treatment is one of the safest and most common types of surgery. Cataracts cannot be removed with a laser, only through surgical incision. In cataract surgery the cloudy lens is removed from the eye. The focusing power of the removed lens is achieved by replacing it with a permanent intraocular lens implant (IOL), which has been selected to suit the specific eye measurements of each patient.

When should the cataract be removed?
For the most part it is up to the patient to decide when they want to undergo cataract surgery. This is very much an individual decision because each patient has different vision requirements. Questions concerning cataracts and the need for cataracts treatment should be discussed with an accredited optometrist and/or an ophthalmologist.

After surgery
Shortly after cataract surgery is completed, the patient may go home and resume almost all routine activities. However, it must be understood that complications may occur in all types of surgery. In cataract removal surgery, hemorrhage, infection, and swelling are all possible, but very uncommon. The chance of any significant complication is less than 1%. Cataract surgery is among the safest and most successful procedure in the medical field.

About a year after surgery, approximately 20% of the patients who undergo surgery for cataracts develop a haze of the capsular membrane surrounding the lens implant. Should this occur, YAG laser treatment is recommended. The YAG laser is used to create an opening in the clouded membrane, which significantly improves the patient’s vision. It is one of the safest treatments used in ophthalmology. It is painless, requires no anesthesia or incision, and takes only minutes to complete.

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Question by jenny: Can anyone give me a RAY DIAGRAM of a CATARACT?
a ray diagram with explanation on it…

thanks!..=)

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Answer by Jayde’Kaela
http://www.hitl.washington.edu/publications/r-98-37/figure3.jpg

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Question by jenny: Can anyone give me a RAY DIAGRAM of a CATARACT?
a ray diagram with explanation on it…

thanks!..=)

Best answer:

Answer by Jayde’Kaela
http://www.hitl.washington.edu/publications/r-98-37/figure3.jpg

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