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Photokeratitis can be prevented by using sunglasses or eye protection that transmits 5–10% of visible light and absorbs almost all UV rays. Additionally, these glasses should have large lenses and side shields to avoid incidental light exposure. Sunglasses should always be worn, even when the sky is overcast, as UV rays can pass through ...
A phosphene is the phenomenon of seeing light without light entering the eye. The word phosphene comes from the Greek words phos (light) and phainein (to show). Phosphenes that are induced by movement or sound may be associated with optic neuritis. [1] [2]
Although the disease is easily treatable, in severe cases boils may form inside the nostrils, which can cause cellulitis at the tip of the nose. The condition becomes serious because veins at that region of the face lead to the brain, and if bacteria spreads to the brain via these veins, the person may develop a life-threatening condition called cavernous sinus thrombosis, which is an ...
These signs include: Fever, chills, neck pain, fatigue, inability to look at bright light, or inability to eat or drink. “If you have those symptoms, it’s time to go to the emergency room.
Seeing how the nose is the most prominent feature on a person’s face since it sits right between one’s eyes, Arbeau reveals it can be a common way for spirits of the deceased, angels, guides ...
Ethmoidal – may cause pain or pressure pain between or behind the eyes, along the sides of the upper nose (medial canthi), and headaches. [27] Sphenoidal – may cause pain or pressure behind the eyes, though it is often felt at top of the head, over the mastoid processes, or the back of the head. [27]
A rhinolith (from rhino- 'nose' and -lith 'stone') is a stone present in the nasal cavity. It is an uncommon medical phenomenon, not to be confused with dried nasal mucus. A rhinolith usually forms around the nucleus of a small exogenous foreign body, blood clot or secretion by slow deposition of calcium and magnesium carbonate and phosphate ...
Nasal polyps are noncancerous growths within the nose or sinuses. [1] Symptoms include trouble breathing through the nose, loss of smell, decreased taste, post nasal drip, and a runny nose. [1] The growths are sac-like, movable, and nontender, though face pain may occasionally occur. [1] They typically occur in both nostrils in those who are ...