A congenital cataract state that happens to one eye is a case that happens rarely. Patient who experience congenital cataract to only one eye usually experience other congenital eye defects such as structural front eye abnormality, primary vitreous structure abnormality (vitreous humour) and a state known as posterior lenticonus.
Patient who experience congenital cataract problem on both eye sides usually have family history of congenital cataract disease and other numbers of diseases. Among them are premature birth and intrauterine infections like rubella, syphilis, toxoplasmosis and herpes.
Metabolic disruption such as hypoglycemia, hyperglycemia, hypocalcaemia and galactosemia also would cause congenital cataract disease. Patients who experience diseases like Down syndrome, Edwards syndrome and Patau’s syndrome also reported to risk getting congenital cataract disease.
The congenital cataract can be detected as early as the first month of birth. Among the early indication is the black pupil seems to be white. This situation could last for a long period of time or slowly becoming more serious.
This situation will cause the children’s eyesight to become limited and blurred. They may also hard to recognize small and tiny objects. Children with this problem could also show glare phenomenon to sunlight and slow physical development compared to other normal children.
If the children’s eyes become squinted and the eyeballs are moving around involuntarily (nystagmus), it shows that the congenital cataract disease is at the critical level.
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