Ichthyosis are used for some conditions. Exposure to sunlight may improve or worsen the condition. In some cases, excess dead skin sloughs off much better from wet tanned skin after bathing or a swim, although the dry skin might be preferable to the damaging effects of sun exposure. There can be ocular manifestations of ichthyosis, such as corneal and ocular surface diseases. Vascularizing keratitis, which is more commonly found in congenital keratitis-ichythosis-deafness (KID), may worsen with isotretinoin therapy. Ichthyosis or ichthyosis-like disorders exist for several types of animals, including cattle, chickens, llamas, mice and dogs. Ichthyosis of varying severity is well
Ichthyosis hystrix though some experts believe that it may have been a type of epidermolytic hyperkeratosis. From the history of the Lambert family the disease appears to have been an autosomal dominant condition. HID syndrome is also known as ichthyosis hystrix, Rheydt type after the German city of Rheydt near Düsseldorf where it was first discovered. Symptoms are bilateral hearing loss and spiky hyperkeratotic masses which cover the whole body though the palms and soles are less badly affected. It can be differentiated from KID syndrome which also has symptoms of deafness and ichthyosis by the different distribution of hyperkeratosis. It is