What are the causes of blurry vision?
May 07, 2024
Source: Cainiu Health
Dr. Wang Shuai
Introduction
In general, blurred vision may be caused by prolonged eye strain, myopia, conjunctivitis, cataracts, glaucoma, or other conditions. It is recommended to seek medical attention promptly, identify the underlying cause, and receive appropriate treatment under a doctor's guidance. Avoid rubbing your eyes with hands and do not wipe your eyes with unclean towels. Maintain a light diet and consume more fresh vegetables and fruits, which are beneficial for eye health.
Under normal circumstances, blurred vision may be caused by prolonged eye strain, myopia, conjunctivitis, cataracts, glaucoma, or other conditions. It is recommended to seek medical attention promptly, identify the underlying cause, and receive appropriate treatment under a doctor's guidance. Specific analyses are as follows:
1. Prolonged eye use: Reading for extended periods in dim lighting can easily lead to eye fatigue, resulting in symptoms such as blurred vision and difficulty seeing objects clearly. It is important to strictly control the amount of time spent using the eyes and avoid reading in environments with excessively dim or bright lighting.
2. Myopia: Influenced by both genetic and environmental factors, myopia primarily manifests as blurred distance vision while near vision remains normal. If the degree of myopia increases, vision may become increasingly blurry. Patients should follow medical advice to wear corrective eyeglasses to improve visual acuity.
3. Conjunctivitis: This condition may be related to external irritants or infections. If not treated promptly, inflammation can worsen and cause blurred vision, often accompanied by symptoms such as itchy eyes and conjunctival congestion. Patients may use medications such as chloramphenicol eye drops, ganciclovir eye drops, or ofloxacin eye drops as directed by a physician.
4. Cataracts: This refers to a visual disorder caused by lens opacity, which may be associated with aging, genetics, and other factors. Common symptoms include cloudy or blurred vision, with patients often experiencing a foggy or hazy sensation in front of their eyes. Patients should follow medical advice and use medications such as faropenem eye drops, pirenoxine eye drops, or glutathione tablets to help improve symptoms.
5. Glaucoma: This may be related to genetic factors or inflammation. Due to elevated intraocular pressure, vision is significantly affected, leading to blurred vision, often accompanied by symptoms such as nausea and vomiting. Patients should follow medical advice regarding medication; commonly used drugs include mannitol injection, prednisolone acetate eye drops, and betaxolol hydrochloride eye drops.
Avoid rubbing your eyes with your hands and do not wipe your eyes with unclean towels. Additionally, maintain a light diet and consume more fresh vegetables and fruits, which are beneficial for eye health.
