Coloboma of the iris
Encyclopedia Symptoms / / May 23, 2016
Coloboma of the iris - a hole or defect of the iris of the eye (iris), in which there is no part of it.Most cases of coloboma occurs at birth (congenital).
Coloboma of the iris may look like a black, round hole located in or next to the colored part of the eye.It may look like a black mark of varying depth at the edge of the pupil.This makes the pupil of irregular shape, it becomes unattractive.Coloboma may also appear as a split in the iris from the pupil to the edge of the iris.Partly
coloboma (especially if it is not attached to the pupil) may allow the second image to focus on the back of the eye.This leads to the following:
- blurred vision;
- reduction of visual acuity;
- virtual image.
defect may include the retina, choroid, or optic nerve.
coloboma is usually diagnosed shortly after birth.
reasons colobomas iris
Coloboma can occur due to:
- eye surgery;
- hereditary diseases;
- eye injury.
colobomas In most cases the causes are not known, and they are probably not associated
Diagnosis and treatment colobomas iris
patient should consult a doctor if:
- he notices that his child has what seems like a hole in the iris of the eye, or if the pupils - unusualshape;
- vision of his child becomes blurred or decreased.In such cases, the appropriate contact an ophthalmologist to address with vision problems.You may need to exclude disorders associated with coloboma of the iris.
If the patient, the baby, the family history is the most important.
diagnostic evaluation will include a detailed eye examination, which may involve:
- an expanded inspection;
- MRI of the brain and nerves that connect the eye to the brain.
coloboma of the iris according to its localization may more or less influence on visual field and vision.Treatment is only possible with respect to the coloboma of the iris.You can perform plastic surgery.