Blindness: Causes & Reasons

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Possible Causes for Blindness

Hypertension

Blinding We distinguished trials by the methods of blinding, i.e. double‐blind, blood pressure observer blind, or open study. 3. [dx.doi.org]

single-blind or open label; 3) Parallel or crossover trial; 4) For crossover trial, a washout period of at least two weeks; 5) Minimum treatment duration of four weeks; [ncbi.nlm.nih.gov]

[…] outcome assessment 2 /32 (E‐6%) 8/38 (C‐ 21%) Hunt Computer‐generated assignment Yes Blind outcome assessment Not provided McKInstry Computer random generation Yes Blind [doi.org]

Diabetes Mellitus

As well, early detection and treatment of vision-threatening retinopathy can prevent or delay blindness. [who.int]

Diabetic retinopathy is an important cause of blindness, and occurs as a result of long-term accumulated damage to the small blood vessels in the retina. 2.6% of global blindness [who.int]

Diabetic retinopathy (eye disease) Etiology Diabetic retinopathy is a leading cause of blindness and visual disability. [who.int]

Eyeball Injury

Will a baby’s prematurity cause blindness? What can be done to prevent blindness from Retinopathy of Prematurity? Not all prematurity results in blindness. [vrsp.org.ph]

Blindness: In the most extreme cases, complications from wearing costume contact lenses may require surgery or end in blindness. [visionaware.org]

Some may only cause minor irritations but others may cause severe damage and blindness. [medicaloptics.ie]

Keratitis

[…] of blind people globally [4]. [bmcophthalmol.biomedcentral.com]

Examples include snow blindness or welder’s arc eye. [aao.org]

‘Conjunctivitis, keratitis, or chorioretinitis can result in vision loss and blindness.’ Pronunciation [en.oxforddictionaries.com]

Migraine

All outcomes Yes Patients blinded; test of blinding suggests successful blinding Incomplete outcome data addressed? [ncbi.nlm.nih.gov]

A double blind trial of acebutolol for migraine prophylaxis. Headache 1978 ; 18: 20 – 2. Google Scholar | Crossref | Medline | ISI 6. [doi.org]

Double-blind trial and follow-up Lancet 1972 1 403 7, ,. [annals.org]

Glaucoma

The most common form of the disease -- chronic, open-angle glaucoma -- is a leading cause of blindness in the United States and the number one cause of blindness in African [web.archive.org]

Glaucoma is a leading cause of blindness Glaucoma can cause blindness if it is left untreated. [glaucoma.org]

Causes of Blindness in 64 Blind Subjects, According to Race.* Figure 1. Figure 1. Primary Causes of Blindness in 64 Bilaterally Blind Subjects. [doi.org]

Cataract

Every five seconds one person in our world goes blind, and a child goes blind every minute. In 75% of these cases the blindness is treatable or preventable. [doi.org]

In 1990 an estimated 37 million people were blind worldwide—40% of them because of cataract. 1 Every year, an extra 1-2 million people go blind. [doi.org]

However, 90% of blind people live in the poorest sections of the developing world, and without proper interventions the number of blind people will increase to 75 million [doi.org]

Macular Degeneration

Macular Degeneration - Prevent the major cause of blindness 6/28/2011 - Thirty years ago, diabetes was the most common cause of blindness in the USA. [naturalnews.com]

Next Section Read the Most Recent Research on Latest News Feb 6, 2020 Foundation News Foundation Fighting Blindness InSights Forum Call The Foundation Fighting Blindness is [fightingblindness.org]

[…] vision and ultimately blindness Definition (CHV) A condition in which parts of the eye cells degenerate, resulting in blurred vision and ultimately blindness Definition [fpnotebook.com]

Retinitis Pigmentosa

and eventually leading to blindness after several decades. [ncbi.nlm.nih.gov]

In most cases, the course of disease is very slow, and progression to total blindness is uncommon. [britannica.com]

Does Retinal Degeneration lead to blindness? Some people with retinitis pigmentosa may become blind. [merritew.tripod.com]

Uveitis

It caused blindness in 9.8% of affected eyes and impaired vision in 49.3%. KEYWORDS: Benin; blindness; epidemiology; uveitis [Indexed for MEDLINE] Free full text [ncbi.nlm.nih.gov]

[…] number three cause of preventable blindness in the United States. [uveitis.org]

Certain forms of 'uveitis' - potentially blinding inflammations of the inside of the eye - respond to drugs that are safe and effective. [helloenglish.com]

Occlusion of the Ophthalmic Artery

A 49-year-old woman with diabetes mellitus and hyperlipidemia experienced frequent transient monocular blindness in the right eye during a 3-week period. [ncbi.nlm.nih.gov]

Abstract Postoperative blindness after orbital surgery is an extremely rare and a disastrous complication. [ncbi.nlm.nih.gov]

[…] use of newer agents for embolotherapy may cause migration of embolic material from the external to the internal carotid system leading to ophthalmic artery occlusion and blindness [ncbi.nlm.nih.gov]

Transient Ischemic Attack

Common symptoms are sudden and transient, and include unilateral paresis, speech disturbance, and monocular blindness. [ncbi.nlm.nih.gov]

"Where a person might have one eye go blind or the other eye go blind, they might have weakness in one side of their body for instance their face or arm or leg on one side [youtube.com]

Transient monocular blindness (amaurosis fugax), which usually lasts < 5 min, may occur when the ophthalmic artery is affected. [msdmanuals.com]

Retinal Artery Embolism

Twenty-seven cases were classified according to artery occlusion, which led to blindness and brain infarction, as relationship between blindness and brain infarction may provide [digitmedicine.com]

Transient monocular blindness associated with hemiplegia. Arch Ophthalmol 1952; 57: 167–203. Google Scholar 3. Fisher CM. [link.springer.com]

[…] he or she is unilaterally blind (normally), and hasn´t recovered. both are 70% of the time related to carotid artery embolism, in both cases you do something, but AF (is [prep4usmle.com]

Diabetic Retinopathy

Diabetes is responsible for approximately 8000 eyes becoming blinded each year, meaning diabetes is responsible for 12% of blindness. [symptoma.com]

Diabetic retinopathy (DR) is one of the leading cause of blindness worldwide and the most common cause of blindness among the working population. [ncbi.nlm.nih.gov]

In the U.S., diabetic retinopathy causes approximately 12,000 to 24,000 new cases of blindness each year; making diabetes the leading cause of new cases of blindness in adults [alimerasciences.com]

Wolfram Syndrome

Neurologic Manifestations Sensation Disorders Vision Disorders Blindness Deaf-Blind Disorders Hearing Disorders Hearing Loss Deafness Deaf-Blind Disorders Neurodegenerative [hon.ch]

All of these patients became blind during follow-up and were unable to perform urethral CIC independently. [ncbi.nlm.nih.gov]

Deaf-Blind Disorders Optic Nerve Diseases Optic Atrophy Optic Atrophies, Hereditary Eye Diseases, Hereditary Optic Atrophies, Hereditary Diseases Nervous System Diseases [hon.ch]

Cinchonism

The symptoms are commonly ringing noises in the ears, dizziness, blurring of vision ( and sometimes complete blindness), rashes, fever, and low blood pressure. [medicine.academic.ru]

Both patients presented with acute bilateral blindness. They also experienced the classic symptoms of cinchonism, including nausea, vomiting, and tinnitus. [ncbi.nlm.nih.gov]

Think of it as aspirin (the salicylism) that causes blindness. [lifeinthefastlane.com]

Acute Glaucoma

It can blind a patient rapidly. Yet, blindness from acute glaucoma is preventable as the symptoms draw attention of the patient. [nuspress.nus.edu.sg]

Affected eyes commonly remained blind or with severely reduced vision. [ncbi.nlm.nih.gov]

It is the leading cause of preventable blindness in the United States and the most frequent cause of blindness in African-Americans, who are at about a three-fold higher risk [medical-dictionary.thefreedictionary.com]

Angle Closure Glaucoma

Travelling by dog-sled from community to community, Clemmesen and Skydsgaard completed the first blindness survey in 1962. 14 Almost two-thirds (64%) of all blindness in these [nature.com]

Introduction This question is important because glaucoma is second only to cataract as a cause of blindness worldwide. 1 Of the estimated 6.7 million people blind from primary [nature.com]

A rapid diagnosis is necessary, as blindness can occur without adequate treatment. [symptoma.com]

Axial Spondyloarthritis

A subsequent double-blind, placebo-controlled, phase 3 study assessing the efficacy and safety of apremilast in active AS was completed (NCT01583374). [f1000research.com]

Efficacy and safety of infliximab plus naproxen versus naproxen alone in patients with early, active axial spondyloarthritis: results from the double-blind, placebo-controlled [rheumatic.theclinics.com]

A double-blind, placebo-controlled trial of low dose infliximab in ankylosing spondylitis. J Rheumatol. 2010 Jun. 37(6):1203-10. [Medline]. [medscape.com]

Acute Angle Closure Glaucoma

Acute angle-closure glaucoma is a rare, but potentially blinding complication after uneventful eyelid surgery. [ncbi.nlm.nih.gov]

Twenty-four hours post-operatively the patient developed sudden painful blindness which was found to be due to acute glaucoma. [ncbi.nlm.nih.gov]

Toxic Amblyopia

[…] and blinding diseases. [books.google.com]

Total blindness may occur in methanol ingestion, but other nutritional causes typically do not cause profound vision loss. [merckmanuals.com]

[…] spots (central blind spot dark spots), sexual interference Vision, dark spots can become absolute and can lead to blindness, fundus is usually no exception, but later can [healthfrom.com]

Papilledema

[…] tumor Swelling of the optic disk, usually in association with increased intracranial pressure, characterized by hyperemia, blurring of the disk margins, microhemorrhages, blind [icd9data.com]

Idiopathic intracranial hypertension is an important cause of headaches in the pediatric population and can lead to permanent blindness if not diagnosed in a timely manner [ncbi.nlm.nih.gov]

Prognosis: If untreated primary lesion → optic atrophy → blindness. Underlying cause determines prognosis for animal. [vetstream.com]

Multiple Sclerosis

Results: A total of 19 women completed the 2 arms of the double-blind phase and 12 completed the optional open label extension phase. [dx.doi.org]

Observer blinding was only scored if specified in the text. [doi.org]

Statistically significant improvement following sildenafil was only reported in the lubrication domain of sexual function during the double-blind phase. [dx.doi.org]

Posterior Subcapsular Cataract

Abstract Cataract is the leading cause of blindness and posterior subcapsular cataract (PSC) leads to significant visual impairment. [ncbi.nlm.nih.gov]

Cloudiness can reduce visibility and over time can contribute to blindness if left untreated. [belmarrahealth.com]

ScholarBank@NUS Repository. https://doi.org/10.1109/IEMBS.2010.5626467 Abstract: Cataract is the leading cause of blindness and posterior subcapsular cataract (PSC) leads [scholarbank.nus.edu.sg]

Temporal Arteritis

When combining data with the previous study, in the GC group 21/109 (19%) developed blindness, while only 2/34 (6%) became blind in the NGC group (p = 0.11). [ncbi.nlm.nih.gov]

Blindness may or may not be preceded by visual symptoms and funduscopic changes. [ncbi.nlm.nih.gov]

All the symptoms disappeared following corticosteroid treatment, except blindness. [ncbi.nlm.nih.gov]

Retinal Detachment

In SW England, 2% of blind registration is due to retinal detachment.15 In Andhra Pradesh, 0.5% of blindness is caused by RD.16 Given that the prevalence of blindness (<6/ [nature.com]

Symptoms When a retinal detachment occurs, it usually results in sudden blindness. [eyeinstitute.co.nz]

Following a blunt trauma, tears can develop and lead to blinding retinal detachments at any time in life. [healthcare.utah.edu]

Optic Neuropathy

A 77-year-old Chinese man presented with sudden bilateral blindness for 5 days with a severe headache. [ncbi.nlm.nih.gov]

The presentation of GCA can be atypical and patients may present with simultaneous blindness. [ncbi.nlm.nih.gov]

The disorder, which can lead to blindness, usually affects only one eye. optic neuropathy Pathological injury to the optic nerves or the blood supply to them. [medical-dictionary.thefreedictionary.com]

Optic Neuritis

At the 3-month follow up, the patient's vision had not improved, and he was declared permanently blind on the left eye. [ncbi.nlm.nih.gov]

You may also feel difficulty in and distinguishing colors with the affected eye ( color blindness ) and blurred vision. [eyedoctorguide.com]

By the afternoon, the blurriness had progressed to blind spots verified by visual field testing. [healthcentral.com]

Optic Nerve Infarction

A 24-year-old woman reported blindness in the left eye upon awakening from fat autotransplantation to her forehead for soft tissue augmentation in the face. [ncbi.nlm.nih.gov]

Locket S: Blindness associated with Hemorrhage Br. J Ophthalmol 33 543-55. 19,19 4. [ijo.in]

About 15% of patients will experience NAION in the second eye; many of these patients will be left legally blind. [clinicaltrials.gov]

Idiopathic Intracranial Hypertension

Central retinal vein occlusion is an uncommon blinding complication of IIH. [ncbi.nlm.nih.gov]

Vision problems : Blurry vision, double-vision, blind spot, loss of peripheral vision, progressive vision loss, blindness. [schmidtlaw.com]

The typical symptoms of IIH are headaches and papilledema associated with visual disorders, which can often evolve to blindness. [ncbi.nlm.nih.gov]