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The signs and symptoms of onchocerciasis are usually divided into two categories, skin and eye symptoms. Skin symptoms will develop years before any vision problems. [citation needed] These symptoms include: [18] Intense itching; Swelling; Inflammation; Depigmentation; Hyperpigmentation; Rash; Nodules under the skin; Skin atrophy
26 pictures of skin rashes to help you identify your skin rash. ... Lupus is an autoimmune disease that causes a red scaly rash on the cheeks and nose, says Dr. Parikh. ... rosacea can cause ...
There may also be eye pain and redness, inflammation of the conjunctiva, cornea or uvea, and sensitivity to light. Fever and tingling of the skin and allodynia near the eye may precede the rash. Complications may include visual impairment, increased pressure within the eye, chronic pain, [1] [2] [3] and stroke. [4]
What it looks like: The most recognizable reaction on this list is the bullseye rash—a large, red, target-like rash that signals the early stages of Lyme disease from the bite of an infected ...
There are two sets of ocular tentacles: one set in front of the eye (pre-ocular) and one set behind the eye (post-ocular). The digital and labial tentacles are arrayed circularly around the mouth, with the digital tentacles forming the outermost ring and the labial tentacles in between the digital tentacles and the mouth.
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Cephalopods, as active marine predators, possess sensory organs specialized for use in aquatic conditions. [1] They have a camera-type eye which consists of an iris, a circular lens, vitreous cavity (eye gel), pigment cells, and photoreceptor cells that translate light from the light-sensitive retina into nerve signals which travel along the optic nerve to the brain. [2]
Humans contract this disease through the bite of a deer fly (Chrysops spp.) or mango fly, the vectors for Loa loa. The adult Loa loa filarial worm can reach from three to seven centimetres long and migrates throughout the subcutaneous tissues of humans, occasionally crossing into subconjunctival tissues of the eye where it can be easily ...