These ocular abnormalities are often readily ostinsive by primary care providers or parent.
It is important to know how to address and treat the transparent condition as it is, to look for and ascertain associated ocular and systemic abnormalities
Newborn’s cornea are commonly 9.5-10.5mm in horizontal diameter (white-white). enlarged to 12mm average adult at the age of 2.
Megalocornea simply maens a cornea with a larger diameter of upto 13mm or greater and is non-progressive.
This infrquent congenital conditions affects minimum individuals of about less than 1/50,000 persons. It can be literally bilateral and symmetric.
it happeneds due to failure of the optic cup to increase in size, resulting in larger space for the cornea to load.
Megalocornea are mainly inherited in X-linked recessive manner, where 90% of patients affected are male. But heterozygous women may present with a delicate increase in diameter of the cornea.
It can be classified broadly into ocular and systemic association, the systemic associations includes facial anomalies, frontal bossing, hypertelorism, facial hemiatrophy e.t.c.
Management of the patient
Given viable systemic associations management includes, systemic general pediatric examination.
Optical amendment of the problems and treatment of amblyopia are needed.
Contact lenses should be given to patients with high astigmatism.
Tinted glasses should also be given to patients with significant photophobia due to iris transillumination.
Lubricating ointment is to be given as a prophylactic measure to prevent exposure keratitis.
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