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  • Why is my baby opening her left eye less than her right?


    My 4-month-old daughter is opening her left eye less than her right eye. What might be the problem?


    You may be describing ptosis which is a droopy upper eyelid. There are many causes for ptosis in an infant. The most common is congenital ptosis. It may also be due to a growth in the eyelid such as a chalazion or hemangioma. It is very important to see an ophthalmologist with experience in this immediately because even if the cause of the droopy eyelid may be benign, having a partially closed eye in a child of this age can very rapidly lead to amblyopia and this must be dealt with.

    This question was originally answered on Mar. 10, 2014.

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