What are the classic signs of Horner's syndrome?

A RED OR BLOODSHOT EYE – SUBCONJUNCTIVAL HAEMORRHAGE · There are some potentially serious causes of this, but the most common (and benign) cause is a ... A “red eye” is a general term to describe red, irritated and bloodshot eyes. The redness happens when tiny blood vessels under your eye's surface get larger or ... Jan 7, 2025 ... Dust, air pollution, chemicals, and wind are common causes. Some people develop eye redness due to smoke in the environment. It is not uncommon ... Aug 16, 2021 ... Common causes of red eyes ... The causes of red eye range from a minor irritation to a more serious condition or infection, including ... Mar 21, 2025 ... Causes of red eyes in dogs · Allergies · Environmental irritants · Conjunctivitis · Eye injuries · Uveitis · Corneal ulcers · Glaucoma · Dry eye. Additional causes of eye redness · use of alcohol or cannabis · photokeratitis, which is eye irritation that can happen due to sun exposure · ocular rosacea, a ... Mar 18, 2023 ... This causes the blood vessels in the eyes to expand, causing redness or bloodshot eyes. Glaucoma. Some people wonder about the potential ... Dec 30, 2021 ... Conjunctivitis is caused by an infection of the thin, transparent membrane that lines the eyelids and covers the white of the eye. Infected ... Apr 7, 2023 ... What Causes Red Eyes? Bloodshot or red eyes eyes are usually caused by an external irritant, called an allergen. Irritated eyes can look ... 9 Causes of Red, Bloodshot Eyes. Patricia Pinto-Garcia, MD, MPH. Nishika Reddy, MD. Written by Patricia Pinto-Garcia, MD, MPH | Reviewed by Nishika Reddy, MD.