There are those in which the iris is not grown together nicely since birth. The leaf tissue shows a gap (coloboma) like an inferior hole or a keyhole pattern. These patients are often impaired by glare sensation, visual impairment, cataract, glaucoma and retinal changes/detachment (amotio retinae).
Such a case of coloboma is described in the getoct database: explore database and register for free.
A coloboma (meaning “defect”) is a gap in part of the structures of the eye, such as the iris, retina,
choroid, optic disc and very rarely the eyelid. This lesion is caused when a baby’s eyes do not develop properly during pregnancy and most lesion appear without any previous family history. There is not a real hole in the eye, but certain tissues within the eye did not fully form.
A coloboma is seen at birth from outside as a keyhole-like shape of the pupil. Inner lesions only can be found by an ophthalmologist, an eye doctor who will carry out a full eye examination.
Typical coloboma normally is located in the bottom part of the eye at 6 o’clock position on the face of a clock:
To help these people special implants have been developed, which can cover the defect. If the coloboma is situated well, such an implant can reduce light intensity and discomfort due to too much light.
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There are other people who are healthy but want to change their current eye color easy to feel better, to please others or simply make something special out of themselves. What do you think?