Needn't perform the operation etc. in cataract " Ripe "

Needn't perform the operation etc. in cataract " Ripe "
Cataract is a kind of age and relevance eyes disease. According to epidemiology materials, the ill rate of cataract of different ages is different, the intersection of cataract and ill rate up to 60% about in the crowd over the 65, the elderly over the 80 100% cause the cataract. Cataract has gone wrong because of the lens of the human eye. Preventing cataract should begin with life sidelight, especially should undergo an operation early while suffering from cataract.
People's eyes have a camera lens -like structure, call the lens. With the years, the lens wear out, become muddy gradually, this is to get cataract.
The pathogenic factor of senile cataract is not totally distinct till now. Clinical research shows, can prevent from several following respects:
1.Prevent eyes from accepting long-term, a large amount of ultraviolet shining. The elderly can wear the ultraviolet ray -proof sunglasses while going out when the sunlight is strong.
2.Prevent dehydrating. When the human body dehydrates, will produce some unusual chemical materials, damages the lens, lead to the fact cataract takes place, and to already having cataract patients, dehydrating can aggravate condition.
3.Strengthen nutrition, should take in more food enriched with vitamin, microelement, protein. Fruit as can eat more vitamins such as apple, banana, holy girl fruits,etc. with abundant content.
4.Prevent and cotrol diabetes. Diabetes is that one that cataract takes place endangers the factor high, control diabetes can reduce the emergence of cataract.
5.Prevent cataract from exchanging the sense factor. The lens are sensitive to various ionization radiation, such as X-ray, infrared ray, ultraviolet ray,etc..
Cataract treatment enter, create the intersection of surgery and era a little, it is " ripe " for cataract to need The era when just did the operation has already gone for ever. The older cataract looks, it is the greater to crush time and energy used in supersound, the greater the destruction to eyes is, the greater the operation risk is, so the cataract operation will be done early. General standard, eyesight, patient of cataract, reduce to 0.3-0.5, should perform the operation treatment. Also have some special patient of requirement, though eyesight good than 0.5, intensity of cataract influence, work, study, drive car daily behavior already, also should accept the cataract operation early. Cataract " Overdone " ,Will also cause serious complications such as glaucoma, iris inflammation,etc., not only look at things fuzzily at this moment, and will be violent eyes ache or cause permanent eyesight to damage.
(author is a chief physician in the centre of subsidiary cataract of Beijing Tongren Hospital of Capital University of Medical Sciences)
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