Blurred Vision: Causes & Reasons

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Possible Causes for Blurred Vision

Hypoglycemia

This can cause dizziness, headache, blurred vision, difficulty concentrating and other neurological symptoms. [health.harvard.edu]

You have blurred vision or vision changes. You feel very tired and weak. You are sweating more than usual for you. You have a fast heartbeat. [drugs.com]

If early symptoms aren't recognized and treated quickly, blood sugar levels may continue to fall, resulting in drowsiness weakness blurred vision slurred speech confusion [health.harvard.edu]

Brain Concussion

The Academy recommends that athletes whose symptoms -- headaches, nausea, amnesia, blurred vision -- do not clear up within 15 minutes, or who lose consciousness even briefly [medicinenet.com]

Partial or total loss of vision Weakness of eye muscles and double vision (diplopia) Blurred vision Problems judging distance Involuntary eye movements (nystagmus) Intolerance [braininjury-explanation.com]

Go to a hospital emergency room for these symptoms: loss of consciousness (knocked out) severe headache, including a headache that gets worse blurred vision trouble walking [kidshealth.org]

Foreign Body in the Eye

Also, transportation to hospital is required if there is blurred vision, tunnel vision, a diminished visual field that does not lessen after five minutes, and/or if blood [sportmedbc.com]

The tumors can be surgically removed, which most frequently occurs if the tumor causes astigmatism (blurred vision) or if the tumor grows in size. 4. [healthline.com]

[…] sudden loss of vision blurred vision or black spots in your vision or blindness a discharge coming from the eye that is blood stained or unusual (increased tear production [healthywa.wa.gov.au]

Carotid Stenosis

Some people with carotid artery stenosis may experience dizziness, fainting and blurred vision which may be signs of the brain not receiving enough blood. [radiologyinfo.org]

TIA's are usually characterized by blurred vision or a brief loss of vision in one eye, slurred speech, numbness or weakness on one or both sides of the body, paralysis and [cedars-sinai.edu]

Temporary symptoms that may be warning signs of a future stroke include: Blurred or darkened vision Temporary visual disturbance, including blurred vision in one eye (referred [herzzentrum.immanuel.de]

Toxoplasmosis

The signs and symptoms of severe toxoplasmosis — blurred vision, confusion, loss of coordination — require immediate medical care, particularly if your immune system has been [web.archive.org]

A 68-year-old patient with normal immunity was complained about blurred vision and black shadow in the right eye for 1 week. [ncbi.nlm.nih.gov]

Eye symptoms vary, but may include blurred vision or floaters during active disease. The diagnosis can be confirmed by detecting antibodies to Toxoplasma in the blood. [aapos.org]

Keratitis

[…] en Blepharitis, Conjunctivitis, Dry eye, Eye irritation Blurred vision, Cataract, Colour blindness (colour vision deficiencies), Contact lens intolerance, Corneal opacity, [da.glosbe.com]

Abstract A 36-year-old HIV-positive man presented with symptoms of redness, blurred vision and foreign body sensation in his right eye for 3 months. [ncbi.nlm.nih.gov]

Symptoms of keratitis include blurred vision, eye irritation or pain, glare and sensitivity to light. [adlereyeassociates.com]

Pterygium

While not typically a serious condition, pterygium can continue to grow until it covers the cornea, leading to distortion of the cornea (astigmatism) and blurred vision. [arizonaeyes.net]

Surfer’s Eye Symptoms Blurred vision Redness Burning Itching Feeling of something foreign in the eye Causes of Surfer’s Eye Pterygium tends to affect people age 20 to 40 and [tidewatereye.com]

In other people, pterygia grow quickly and large enough to eventually distort the corneal surface and cause severely blurred vision. Pterygia do not cause pain. [uvahealth.com]

Preeclampsia

The patient complained of blurred vision in both eyes throughout the perinatal period. The ophthalmic examination revealed serous retinal detachment in both eyes. [ncbi.nlm.nih.gov]

Methods: A 24-year-old woman, at 28 weeks of gestation presented with blurred vision bilaterally related to bilateral SRD involving the center of the macula accompanied by [ncbi.nlm.nih.gov]

vision and vaginal bleeding. [ncbi.nlm.nih.gov]

Head Trauma

She developed watery rhinorrhea, progressive headache, fever, nausea, vomiting, and left proptosis with blurred vision, and was admitted to hospital 3 days after injury. [ncbi.nlm.nih.gov]

vision, or blind spots) Drainage of clear fluid (cerebrospinal fluid) from the nose or ear Severe headache [merckmanuals.com]

[…] move or feel part of the body Inability to recognize people or the surroundings Inability to maintain balance Problems with speaking or seeing (for example, slurred speech, blurred [merckmanuals.com]

Conjunctivitis

Only rarely do symptoms persist causing scarring and blurred vision. [seeclearkalamazoo.com]

Viral conjunctivitis may interfere with vision, causing blur or glare. This is due to the formation of white inflammatory reactions on the front surface of the eye. [dfoptometrists.com]

vision Increased sensitivity to light Cleveland Clinic News & More Cleveland Clinic News & More [my.clevelandclinic.org]

Glaucoma

With angle-closure glaucoma, a rapid buildup of IOP may lead to blurred vision, severe eye pain, headache, abdominal pain, or nausea and vomiting. [emedicinehealth.com]

A 6-year-old girl presented with blurred vision and was found to have elevated intraocular pressure (IOP) and glaucomatous optic disc damage in both eyes. [ncbi.nlm.nih.gov]

A 60-year-old woman was referred for distending pain with blurred vision for more than 1 month in the right eye after cataract surgery. [ncbi.nlm.nih.gov]

Hypotension

Symptoms generally include dizziness, blurred vision, and syncope. [icd9data.com]

As a result, blood pressure falls and people experience dizziness, lightheadedness, blurred vision and sometimes fainting. [stanfordhealthcare.org]

But in people with orthostatic hypotension, this compensating mechanism fails and blood pressure falls, leading to dizziness, lightheadedness, blurred vision and even fainting [mayoclinic.org]

Open-Angle Glaucoma

Peak IOP was associated with temporary blurring of vision and mild corneal edema in 1 patient (case 1). [ncbi.nlm.nih.gov]

Acute Angle Closure Glaucoma is one of the only types of glaucoma that produce distinct symptoms that include pain, light sensitivity, redness, blurred vision, colored haloes [bweyecenter.com]

A 24-hour IOP monitoring was performed before and after trabeculectomy on both eyes of 2 JOAG patients-one with transiently blurred vision early in the morning, the other [ncbi.nlm.nih.gov]

Migraine

Throbbing, pulsating pain Light sensitivity Sound sensitivity Nausea Pain on one side Vision changes, blurred vision Aura Vomiting Aura Visual phenomena, such as seeing various [thesun.ie]

Migraines often come with side effects like nausea and blurred vision, and they often affect just one side of the head. [vocabulary.com]

Temporary loss of vision in one eye (normally the same eye each time) Blurry vision - or blurred vision in one eye Flashing lights, squiggly patterns or blind spots across [specsavers.ie]

Cataract

Besides blurred vision, the symptoms include glare and difficulty driving at night. [nytimes.com]

A cataract is a clouding of the lens in your eye, which causes blurred vision. [eyeinstitute.co.nz]

Cataracts are whitish or cloudy patches that develop in a person’s eye lens and lead to blurred or clouded vision. [news-medical.net]

Uveitis

The second case was related to a 45-year-old female patient who complained of blurred vision and a dark shadow before her right eye for 3 months. [ncbi.nlm.nih.gov]

It causes eye redness and pain, blurred vision, light sensitivity and small pupils. [fightingblindness.ca]

[…] lacrimation Chronic anterior uveitis presents primarily as blurred vision and mild redness. [emedicine.com]

Diabetes Mellitus Type 1

[…] to many individuals with T1DM: Frequent thirst Frequent urination Extreme hunger Unintentional or unexplained weight loss Irritability or mood swings Weakness and fatigue Blurred [otcguide.net]

Symptoms of diabetes include increased thirst and urination increased hunger fatigue blurred vision numbness or tingling in the feet or hands sores that do not heal unexplained [niddk.nih.gov]

Recent Examples on the Web Some people also experience blurred vision as an early symptom of type 1 diabetes. — Korin Miller, SELF, "The Diabetes Symptom That Finally Helped [merriam-webster.com]

Anterior Uveitis

We report the case of a 13-year-old girl who consulted for blurred vision, pain, and redness in her left eye. [ncbi.nlm.nih.gov]

Symptoms of pigment dispersion may consist of blurred vision, redness, ocular pain, and photophobia, all of which are also symptoms of acute anterior uveitis. [ncbi.nlm.nih.gov]

A 54-year-old man presented complaining of severe pain and blurred vision in his left eye. [ncbi.nlm.nih.gov]

Plant Poisoning

Initial symptoms from an overdose would typically include dizziness, nausea, blurred vision and convulsions. [theguardian.com]

These include skin rash, blurred vision, visual disturbances such as halos, diarrhea, nausea, stomach pain, vomiting, loss of appetite, irregular or slowed heartbeat, weakness [homeguides.sfgate.com]

One of the most toxic plants in the Western Hemisphere, consumption of Deadly Nightshade leads to delirium, hallucinations, dilated pupils, sensitivity to light, blurred vision [oddee.com]

Branch Retinal Vein Occlusion

Case report of a 60-year-old woman who complained of fever, chills, headache, lymphadenopathy, and blurred vision in the right eye following an insect bite to the lower right [ncbi.nlm.nih.gov]

Description: A picture of three older adults which goes blurry as the script mentions blurred vision. [noweyeknow.ca]

Patients typically complain of a sudden onset of blurred vision or defect in their central field of vision. [ellsretina.com]

Hydrocephalus

This can cause a wide range of symptoms, including headache, blurred vision, sickness and difficulty walking. [cuh.nhs.uk]

In older children and adults there is no head enlargement from hydrocephalus, but symptoms may include headache, nausea, vomiting and, sometimes, blurred vision. [medicinenet.com]

Diabetic Retinopathy

Both the microaneurysms and the new blood vessels may rupture causing the leakage of blood into the retina and blurred vision. [news-medical.net]

Blurred vision happens for two reasons: with diabetic macular edema, leaky blood vessels cause swelling of the macula, which can lead to blurred vision. with proliferative [diabetes.ie]

This changes the curvature of the lens, leading to blurred vision. However, once blood sugar levels are controlled, blurred distance vision will improve. [aoa.org]

Secondary Glaucoma

A 33-year-old woman experienced blurred vision in her left eye. Intraocular pressure of the left eye was elevated accompanied with a very shallow anterior chamber. [ncbi.nlm.nih.gov]

The symptoms of open-angle glaucoma include the following: Dim or blurred vision Gradual loss of peripheral vision Tunnel vision (at advanced stages) The symptoms of angle-closure [hartzelleye.com]

In the latter, the symptoms are those of acute glaucoma : ocular pain, which can extend to the nape of the neck and trigeminal, blurred vision, pupil dilation, change in iris [fernandez-vega.com]

Acute Angle Closure Glaucoma

A 59-year-old man presented with a severe headache, ocular pain, blurred vision, shortness of breath, and mild fever. [ncbi.nlm.nih.gov]

A 78-year-old female patient was admitted to our hospital with pain in her left eye, blurred vision along with nausea, and vomiting for 2 days. [ncbi.nlm.nih.gov]

[…] and blurred vision occur because the cornea is swollen.) [emedicinehealth.com]

Cinchonism

Includes tinnitus, headache, nausea, diarrhea, altered auditory acuity, and blurred vision. The term derives from cinchona bark, the natural source of quinine. [definedterm.com]

EMAIL PRINT SAVE EMAIL SAVE Cinchonism occurs from quinidine or quinine use (a class I antiarrhythmic drug) and consists of tinnitus, blurred vision, dizziness, nausea and [healio.com]

Symptoms of mild cinchonism (which may occur from standard therapeutic doses of quinine) include flushed and sweaty skin, ringing of the ears (tinnitus), blurred vision, impaired [en.wikipedia.org]

Corneal Ulcer

Other symptoms included pain, blurred vision and excessive yellowish-white discharge from both eyes. There was a history of multiple sexual partners. [ncbi.nlm.nih.gov]

Symptoms can include the following: Itching Irritation Burning sensation Redness Eye pain Excess tearing Discharge White spots on the cornea Light sensitivity Blurred vision [goeyesurgeons.com]

Other symptoms can include pain, redness, blurred vision, excessive tearing, and sensitivity to light. [villageeyecare.net]

Vitreous Hemorrhage

Loss of vision, blurred vision and floaters Vitreous hemorrhages may be of different degrees. [icrcat.com]

The episodes of blurred vision vanished completely, and the IOP returned to normal levels without therapy. [ncbi.nlm.nih.gov]

Case report of a 55-year-old woman with a 23-year history of type 1 diabetes mellitus who presented with new onset of blurred vision in the left eye as a result of a dense [ncbi.nlm.nih.gov]

Angle Closure Glaucoma

CASE REPORT: A 23 year-old woman developed bilateral severe blurred vision seven days after initiating therapy with topiramate. [ncbi.nlm.nih.gov]

After 4 days of hospitalization, the patient reported blurred vision. [ncbi.nlm.nih.gov]

She developed painless blurred vision and acute bilateral myopia, which progressed to acute bilateral angle closure glaucoma. [ncbi.nlm.nih.gov]

Toxic Amblyopia

Many drinkers will relate to experiencing 'blurred vision' following a heavy drinking session. [rehab4alcoholism.com]

The other is with eye drops that temporarily blur vision. Each day, the child gets a drop of a drug called atropine in the stronger eye. [medlineplus.gov]

vision, photophobia and eye discomfort for days and weeks to more than a few weeks, initially a small center of the dark spots or dark spots around the center slowly expanded [healthfrom.com]

Choroid Hemangioma

A 70-year-old male presented with blurred vision of the left eye (OS). Best-corrected visual acuity (BCVA) was 20/60 right eye and 20/160 OS. [ncbi.nlm.nih.gov]

Amblyopia (lazy eye) As the tumor blurs the vision, the brain gradually ignores the blurred vision from that eye and the eye drifts or crosses (strabismus). [sturge-weber.org]

A 52-year-old myopic male with a refraction of –8.00 D in both eyes developed blurred vision in the left eye OS) over 4 years. [ojoonline.org]