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Blurred vision is an ocular symptom where vision becomes less precise and there is added difficulty to resolve fine details. Temporary blurred vision may involve dry eyes, eye infections, alcohol poisoning , hypoglycemia , or low blood pressure .
Cytomegalovirus (a type of herpes virus) is what causes cytomegalovirus retinitis. Other types of herpes viruses include herpes simplex viruses and Epstein-Barr virus.Once an individual is infected with these viruses they stay in the body for life. [8]
The majority of individuals affected with white dot syndromes are younger than fifty years of age. Some symptoms include blurred vision and visual field loss. [2] There are many theories for the etiology of white dot syndromes including infectious, viral, genetics and autoimmune. Classically recognized white dot syndromes include: [3]
Dry eye syndrome can lead to blurred vision, instability of the tear film, increased risk of damage to the ocular surface such as scarring of the cornea, and changes in the eye including the neurosensory system. [2] [6] Dry eye occurs when either the eye does not produce enough tears or when the tears evaporate too quickly. [2]
Later signs include loss of peripheral vision, leading to tunnel vision. In some cases, symptoms are experienced in only one of the eyes. Experiencing floaters, flashes, blurred vision and loss of side vision in just one eye may be an early indication of onset of retinitis.
Photophobia develops with blurred vision and lymphadenopathy by the ear nearest the affected eye. [2] It is often associated with a sore throat and stuffy and runny nose, mainly in adults. [3] A type of adenoviral keratoconjunctivitis in very young children can present with a high fever, sore throat, ear infection, vomiting and diarrhea. [3]