Blurry Vision In One Eye Or Both Eyes: Causes and Treatment

Last updated on April 6th, 2017 at 05:15 pm

Blurry vision is the loss of sharpness of eyesight, making things appear out of focus and hazy.

The main causes of blurred vision are refractive errors– nearsightedness, farsightedness and astigmatism– or presbyopia. However fuzzy vision likewise can be a symptom of more major issues, including a possibly sight-threatening eye disease or neurological disorder.

Blurred vision can affect both eyes, however some people experience fuzzy vision in one eye just.

Cloudy vision, where things are obscured and appear “milky,” is frequently mistaken for blurred vision. Cloudy vision normally is a symptom of particular conditions such as cataracts, however fuzzy and cloudy vision can both be symptoms of a severe eye issue.

A qualified optometrist can determine the degree of your blurred vision and figure out the cause with a detailed eye exam, including spatial contrast sensitivity, slit-lamp and basic Snellen eye chart tests.

Abrupt fuzzy vision that continues could be a sign of a major illness, and you must see a doctor instantly.

In uncommon cases, blurred vision in one eye may indicate a condition in the brain or main nerve system, such as a brain growth that presses on one of the optic nerves. Due to the fact that your eyes and vision are essential to your lifestyle, be sure to call your health care provider if you have actually blurred vision in one eye or other eye symptoms.

Blurry Vision Causes And Treatment

Myopia. Blurred vision in one eye or both eyes might be a symptom of myopia (nearsightedness), along with squinting, eye strain and headaches. Myopia is the most typical refractive error and causes things in the distance to become blurred.

Glasses, contact lenses and refractive surgery such as LASIK and PRK are the most typical methods to fix nearsightedness.

Hyperopia. Blurred vision from hyperopia (farsightedness) is when distant items can be seen dramatically however your eyes can’t focus properly on close-up things or doing so causes uncommon eye strain and fatigue. In cases of severe farsightedness, even far-off items might appear blurred.

Like myopia, hyperopia can be corrected with glasses, contact lenses or refractive eye surgery.

Astigmatism. Blurred vision at all distances typically is a symptom of astigmatism. A type of refractive mistake, astigmatism usually is triggered by an irregularly shaped cornea.

With astigmatism, light rays cannot concern a single focus point on the retina to produce clear vision, despite how far the viewed item is from the eye. Astigmatism, like nearsightedness and farsightedness, can be remedied with spectacles, contact lenses or refractive surgery.

Presbyopia. If you’re over 40 and starting to experience fuzzy vision up close– when reading a paper or other fine print, for instance– possibilities are this is because of the start of presbyopia, a naturally occurring age-related condition.

While the symptoms of presbyopia are the exact same as those brought on by hyperopia (blurred near vision; eye strain when reading), presbyopia is a lessened capability to concentrate on near items due to hardening of the lens inside the eye instead of a flaw of vision brought on by the general shape of the eye like hyperopia.

Presbyopia impacts practically everybody over the age of 45. Most people use checking out glasses or unique multifocal lenses (bifocal or progressive lenses) for presbyopia, but there likewise are presbyopia surgery alternatives such as monovision LASIK and conductive keratoplasty for suitable candidates.

Chronic dry eyes. Dry eye syndrome can impact your eyes in numerous methods, including blurred and changing vision. While artificial tears (lubricating eye drops) can help, advanced dry eyes may require a prescription medication or punctal plugs to keep the eye lubricated and healthy.

Pregnancy. Fuzzy vision prevails during pregnancy and often is accompanied by double vision (diplopia). Hormone changes can change the shape and thickness of your cornea, causing your vision to blur. Dry eyes likewise are common in pregnant women and can cause blurred vision.

You need to constantly report any vision disruptions during pregnancy to your doctor. While fuzzy vision is not constantly severe, in some cases it might be an indication of gestational diabetes or high blood pressure.

Ocular migraines or migraine headaches. While typically harmless and temporary, blurred vision, flickering light, halos or zigzag patterns are all common symptoms prior to the start of an ocular migraine or migraine headache.

Blurry Vision In One Eye Or Both Eyes Causes and Treatment

Eye floaters. Vision can be blurred by temporary spots or floaters wandering in your field of vision. Floaters usually appear when the eye’s gel-like vitreous starts to liquify with age, triggering microscopic littles tissue within the vitreous to float freely inside the eye, casting shadows on the retina.

While a typical part of the aging procedure, if you see an abrupt shower of floaters it might represent a torn or detached retina and you should see your eye doctor instantly.
Fuzzy vision after LASIK. Your vision may be fuzzy or hazy instantly after LASIK or any other kind of refractive surgery. Clearness must enhance within a couple of days, however it may take a number of weeks for your vision to support totally.

Eye drops and medication. Certain eye drops, particularly medicated eye drops containing preservatives, can cause irritation and blurry vision. In most cases, these side effects can be controlled with synthetic tears, prescription dry eye medication or punctal plugs.

Also, some medications such as allergic reaction pills can cause side effects of dry eyes and blurred vision. During a detailed eye exam, your optometrist or ophthalmologist can recommend you whether any of your medications might cause blurred vision.

Over-wearing contact lenses. Wearing non reusable contact lenses (or certainly any type of contacts) for longer than your doctor recommended will cause an accumulation of proteins and other debris on the lenses.

This debris can cause blurred vision and increase your risk of eye infections.

Blurry Vision Can Be A Symptom Of A More Serious Eye Problem

Eye conditions and diseases. If you have sudden fuzzy vision in one eye and are over 60, you might have established a macular hole in the part of the retina where fine focusing takes place. Fuzzy vision also may be a symptom of a removed retina, eye herpes or optic neuritis (inflammation of the optic nerve), among other causes.

Particular eye conditions and illness can cause permanent loss of vision, so it’s important to visit your eye care professional for medical diagnosis and prompt treatment.

Cataracts. Vision changes such as blurred vision or cloudy vision, as well as glares and night “halos,” may be symptoms of a cataract. If unremoved, cataracts can ultimately grow so cloudy that they block vision to the point of loss of sight. However by changing cataracts with synthetic lenses, cataract surgery is extremely effective in restoring lost vision.

Glaucoma. Blurred vision or “tunnel vision” might be indicative of glaucoma. Symptoms can consist of a steady or in some cases abrupt narrowing of your visual field accompanied by blurred vision at the edges of your field of vision. Without intervention, vision loss will continue, and permanent loss of sight might result.

Age-related macular degeneration. A steady loss and blurring of vision, consisting of distortions such as straight lines appearing wavy or broken, could be symptoms of age-related macular degeneration (AMD), a leading cause of loss of sight amongst older individuals.

Diabetic retinopathy. If you have diabetes, unusual blurred vision may be because of the onset of diabetic retinopathy, a sight-threatening disease that harms the retina of the eye.

Cardiovascular disease and other systemic diseases. Blurred vision, frequently in combination with double vision, can be a symptom of a hidden health emergency situation such as a stroke or brain hemorrhage; or it can be an early sign of multiple sclerosis. If you have unexpected fuzzy vision or double vision, see your doctor right away.

If you have some minor blurring that reoccurs, this might imply merely exhaustion, over-exposure to sunshine or eye strain.

However, abrupt or continuing modifications in vision such as blurriness, double vision, tunnel vision, blind spots, halos or dimness of vision might be signs of a severe eye disease or other health problem.

If you have unexpected modifications to your vision, you need to always contact your optometrist right away.

Alik Muradov (Eyexan Team Member) / author of the article
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Ophthalmology: Health of Your Eyes
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