Normally the eyelid moves up and down because of the contraction of a muscle in the eyelid. This muscle is attached just above the eyelashes to the tarsus, a sort of cartilage plate.
Read moreDermatochalasis (excess eyelid skin) is usually caused by skin ageing: the fibres in the skin lose their elasticity and the skin becomes slacker.
Read moreWhen you have a biopsy done, a small piece of tissue is removed and sent away to be examined under a microscope.
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