Being unable to focus can be a symptom of eye fatigue or strain, which is commonly associated with reading or being in front of a computer for extended periods, states WebMD. Some other symptoms of eye strain can be eye irritation and light sensitivity.Know More
Another cause for an eye's inability to focus is blurred vision. Blurred vision can be related to certain eye issues, including presbyopia and hyperopia, as noted by All About Vision.
Hyperopia, which is also called farsightedness, is an eye condition in which people can see objects that are at a distance, but they cannot focus on objects that are close. Presbyopia can develop with age and is the inability to focus properly on nearby objects.
A macular hole in the retina is another ocular condition in which the affected eye sees distortions in objects, as stated by the National Eye Institute.Learn more about Vision
Crossed eyes, also referred to as strabismus, is caused by a variety of factors that include congenital tumors, nerve disorders and weak eye muscles. According to WebMD, most individuals with strabismus are born with the disorder, and in many cases there is no underlying cause. When strabismus occurs in individuals who were not born with the disorder, it can indicate a stroke or serious medical issue.Full Answer >
A blister or bubble that forms on the white of the eye signifies allergic conjunctivitis, a condition in which the eyes react to irritants such as pollen, dust and dander, according to the American Association for Pediatric Ophthalmology and Strabismus. The condition is not contagious but can cause significant discomfort.Full Answer >
The best home remedies for swollen and puffy eyes include washing the face with cold water and applying cold packs and certain eye creams. These are effective solutions once any serious condition has been ruled out by a health care provider.Full Answer >
A few types of home vision tests, including distance and near vision with standard eye charts, can give people an idea of how well their eyes work. People who have difficulty with the home tests or have abnormal results should get a professional eye examination, Medline Plus advises.Full Answer >