Medical conditions such as blepharitis, episcleritis, iritis and uveitis cause bloodshot eyes, according to the Mayo Clinic. Additional causes for red, irritated eyes include hay fever, viral or bacterial conjunctivitis,... More » Health Vision

Allergic or bacterial conjunctivitis, dry eyes, hay fever or a sty within the eye can cause red, bloodshot eyes, according to Mayo Clinic. People with an eye injury or foreign object in the eye typically have red, bloods... More » Health Pain & Symptoms

A dog may have blood shot eyes when there is blood present in the eyelids or blood in the eyes vessels, which can be caused by conditions such as hyperemia and ocular vasculature. These health issues cause large amounts ... More »

There are many different conditions and injuries that can cause there to be pain in a person's eye including blepharitis, conjunctivitis, corneal abrasions, corneal infections, glaucoma, foreign particles in the eye, iri... More »

Several causes of sudden blurred vision include wet macular degeneration, uveitis, iritis, eye strain and brain trauma, as listed by Health Hype. Some causes require simple treatments, while others are more severe eye di... More » Health Vision

Dryness, excessive sunlight, allergies, coughing, dust and infection are common causes for bloodshot eyes. These irritants induce swelling of the vessels in the white portion of the eyes. More » Health Vision

Home remedies for blepharitis include cleaning the eyes daily, lubricating the eyes and controlling dandruff and mites if they contribute to blepharitis, according to Mayo Clinic. If home remedies and insufficient, stero... More » Health Vision