Cataract is eye disease distinguished with existence of fog at eyepiece. Transparent normal eyepiece and contains juicy, so that his(its penetritive light is easily. Although new cells at lens would always is formed, many factors which can cause area in lens to become rough, firm, and solid. Lens that is is not is the transparent cannot continue light to retina to be processed and sent [by] through optic nerve to brain.
Cataract disease many happened in tropical nations like Indonesia. This thing relates to the cause of cataract, namely ultraviolet [light/ray] coming from sunshine. Other cause is lacking of gizi which can quicken process to grow it cataract disease.
Is Cataract Cause ?
Most of cataract happened because degenerative process or increasing of someone age. Cataract most emerging at the age of continuation. Statistical indicates that more than 90% people is having age is above 65 years to suffer cataract. Around 550% people is having age 7585 years its(the eyesight energy/power decreases as result of cataract. Although actually curable, cataract is the root cause blindness in world.
Unhappily, a cataract patient might not realize has experienced cataract trouble. Cataract happened slowly so that eyesights of patient annoyed graduallyly. because generally cataract growed very slow and didn't influence eyesight energy/power since beginning. New eyesight energy/power affected after cataract to grow around 3-5 years. In consequence, cataract patient usually realizes its(the disease after entering stall stadium.
In the early of attack, cataract patient feels pruritis at eye, its(the tear easy to go out, at night eyesight annoyed, and cannot arrest;detain dazzled of sunshine or lamp [light/ray]. Hereinafter patient will see membrane like cloud in front of its(the eyesight. Cloud closing over the eyepiece finally increasingly meeting and closes all part of eye. After having until this phase, its(the loss of sight patient would.
In general there is 4 cataract type like following.
1. Congenital, was cataract happened since baby borned and grows in first year in life his(its. This cataract type very rare happened.
2. Traumatic, be cataract happened because accident at eye.
3. Secondary, cataract which caused by consumption of drug like prednisone and corticosteroid, and patient diabetes. Cataract is suffered [by] 10 times is more commonly by patient diabetes than by population in general.
4. Cataract related to age, be cataract type that is most commonly. Based on its(the location, there is 3 this cataract type, namely nuclear sclerosis, cortical, and posterior subcapsular. Nuclear sclerosis is lenticular change slowly causing becomes firm and having colour brass. Sight power far more influenced [by] than near sights power ( read sight power), even read opinion?sight can become better. Patient also finds difficulties differentiates colour, especially colour birru. Type cataract cortical happened if(when lenticular fibres become turbid, can cause is dazzled especially if driving nocturnal. Posterior subcapsular is the happening of turbidity in lens backside. This cataract causes dazzled, blurry sight power at condition of light, and read sight power declines.
Cataract trouble public symptom covers :
" Ill defined eyesight, as there is fog hinders object.
" Panchromatic or light.
" Can see dobel by one eyes.
" Requires illumination which light to be able to read.
" Eyepiece turns into rough vitriform milk.
cataract earns also happened at baby because the mother virus infection at the time of young pregnancy. Other cataract cause covers :
" Descendant factor.
" Inviable from the day borned.
" Health problem, for example diabetes.
" Usage of certain drug, especially steroid.
" Eye without protector is hit sunshine during sufficiently long.
" operation of Eye before all.
" Trauma ( accident) at eye.
" Other factors which has not been known.
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