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A coloboma (from the Greek κολόβωμα, meaning "defect") [1] is a hole in one of the structures of the eye, such as the iris, retina, choroid, or optic disc. The hole is present from birth and can be caused when a gap called the choroid fissure , which is present during early stages of prenatal development, fails to close up completely ...
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A coloboma is the failure to close the choroid fissure, which is the opening from the ventral side of the retina in the optic stalk. [5] Despite the similarities with coloboma and morning glory anomaly, significant differences exist such that optic disc dysplasia cannot be classified as either one entity. [ 6 ]
Coloboma of macula-brachydactyly type B syndrome, also known as Sorbsy syndrome [1] is a rare genetic disorder which is characterized by bilateral macular coloboma, nystagmus of the horizontal pendular type, visual impairment, and brachydactyly type B. [2] Additional findings include congenital anonychia, broad/duplication of the thumbs and big toes, syndactyly and camptodactyly.
Eye surgery, also known as ophthalmic surgery or ocular surgery, is surgery performed on the eye or its adnexa. [1] Eye surgery is part of ophthalmology and is performed by an ophthalmologist or eye surgeon. The eye is a fragile organ, and requires due care before, during, and after a surgical procedure to minimize or prevent further damage.
Coloboma of optic nerve is a rare defect of the optic nerve that causes moderate to severe visual field defects. Coloboma of the optic nerve is a congenital anomaly of the optic disc in which there is a defect of the inferior aspect of the optic nerve. The issue stems from incomplete closure of the embryonic fissure while in utero.
The World Health Organization (WHO) published the WHO Surgical Safety Checklist in 2008 in order to increase the safety of patients undergoing surgery. [1] The checklist serves to remind the surgical team of important items to be performed before and after the surgical procedure in order to reduce adverse events such as surgical site infections or retained instruments. [1]
Low vision is both a subspeciality and a condition. Optometrists , Opticians and Ophthalmologists after their training may undergo further training in Low vision assessment and management. There are various classifications for low vision, this varies from country to country and even from state to state.