What causes blurry vision?
May 13, 2024
Source: Cainiu Health
Dr. Wang Shuai
Introduction
Under normal circumstances, blurred vision may be caused by eye strain, refractive errors, conjunctivitis, glaucoma, cataracts, or other conditions. Patients should promptly visit a正规 hospital to determine the underlying cause and receive appropriate treatment. In daily life, it is important to develop good living habits and pay attention to dietary adjustments, focusing on high-protein, low-fat foods such as chicken, shrimp, and eggs.
Under normal circumstances, blurred vision may be caused by eye strain, refractive errors, conjunctivitis, glaucoma, cataracts, or other conditions. Patients should promptly visit a qualified medical facility to determine the underlying cause and receive appropriate treatment. Specific analyses are as follows:
1. Eye strain
Prolonged use of the eyes, especially staring at electronic screens or engaging in close-up visual tasks, can lead to eye fatigue, affecting vision and causing blurriness. It is recommended to take regular breaks, perform eye exercises, and look into the distance periodically.
2. Refractive errors
Refractive errors occur when the eye's optical system is abnormal, preventing light from being properly focused on the retina. This includes conditions such as myopia (nearsightedness), hyperopia (farsightedness), and astigmatism, all of which can cause blurred vision. Patients are advised to wear eyeglasses or contact lenses to correct their vision.
3. Conjunctivitis
Conjunctivitis is an eye inflammation caused by bacteria, viruses, allergens, or other irritants. The inflammation may lead to redness, swelling, pain, increased eye discharge, and may affect the cornea’s transparency, resulting in blurred vision. Under medical guidance, patients may use medications such as levofloxacin hydrochloride tablets, acyclovir tablets, or loratadine tablets for treatment.
4. Glaucoma
Glaucoma is a serious eye disease typically associated with elevated intraocular pressure. It can damage the optic nerve, leading to vision loss and even blindness. Blurred vision may be a symptom of glaucoma, particularly in the early stages. As directed by a physician, patients may use medications such as betaxolol ophthalmic solution, brinzolamide ophthalmic solution, or pilocarpine ophthalmic solution to manage the condition.
5. Cataracts
Cataracts are a visual impairment caused by clouding of the lens. With aging, the lens may become cloudy, obstructing light passage and leading to blurred vision. Patients should seek timely treatment at a qualified hospital through procedures such as intracapsular cataract extraction, extracapsular cataract extraction, or phacoemulsification surgery.
In daily life, individuals should cultivate healthy habits and pay attention to dietary adjustments, focusing on high-protein, low-fat foods. Consuming more chicken, shrimp, eggs, and similar nutritious foods helps supplement essential nutrients and supports recovery.
