DEVELOPMENTAL ANOMALIES

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OCULAR DEVELOPMENTAL ANOMALIES
Hamartomas– normal tissue elements in abnormal proportions or configurations
-. Naevi, Haemangiomas, Lymphangiomas.
Phakomatoses- – Disseminated Hamartomas e.g. Tuberous Sclerosis, Sturge Weber Syndrome and Neuro fibromatosis.
Choristomas
– Normal tissue elements in abnormal sites e.g. Dermoids.
Colobomata
– Areas of absent tissue occurring where foetal clefts fail to close
e.g. Iris, Chorioid, Optic Disc & eyelid (Goldenhar or Treacher Collins).

Other abnormalities of Ocular Development may cause a combination of anatomical and physiological disruptions.