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Ichthyosis is a heterogeneous group of disorders characterized by abnormal cutaneous  keratinization with scale formation. They are divided into non-syndromic and syndromic forms of inherited ichthyoses and less common acquired ichthyoses. Ichthyosis vulgaris is the most common and mildest for of non-syndromic ichthyosis, presenting with dry skin with rough patches and tiny bumps, and trichomegaly. Lamellar ichthyosis is characterized by hyperkeratosis with thick scales, eyelid ectropion, and corneal complications. Management is mostly supportive with humidification and lubrication, but ectropion is treated with skin grafting to prevent corneal exposure.

Ichthyosis vulgaris with ectropion and loss of lashes
Severe ichthyosis with cicatricial ectropion of the lower eyelid
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