Blindness: Causes & Reasons

Possible Causes for Blindness

[…] champion Shinsuke Nakamura connected with a head kick that left the wrestler in agony and the match cancelled Video 29th October 2016, 10:07 am WWE star Austin Aries was almost blinded [thesun.co.uk]

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]

Migraine

Gibson, RG, Gibson, SLM, MacNeill, AD, Buchanan, WW Homoeopathic therapy in rheumatoid arthritis: evaluation by double-blind clinical therapeutic trial. [doi.org]

The primary endpoint was the proportion of subjects taking DFN-11 who were pain free at 2 h postdose in the double-blind period compared with placebo. [ncbi.nlm.nih.gov]

Subanalysis from a double-blind, randomized trial, Cephalalgia, 10.1177/0333102414542290, 35, 1, (45-50), (2014). [doi.org]

Diabetes Mellitus

METHODS: In a double-blind multicentre parallel-group randomised controlled trial, adults with type 2 diabetes mellitus were randomly allocated to receive 25 sessions of either [ncbi.nlm.nih.gov]

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

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

Glaucoma

The paper by Resnikoff et al. reports that about 37 million people worldwide in 2002 were blind. More than 82% of all blind people are 50 years and older. [who.int]

Fighting Blindness offers a free and confidential counselling service (Insight Counselling). [fightingblindness.ie]

Published on Dec 2, 2014 (Visit: http://www.uctv.tv/) Glaucoma is the leading cause of irreversible blindness worldwide. Dr. [youtube.com]

Hypertension

METHODS: This 8-week, active-controlled, parallel-group, fixed-dose, multicenter, double-blind randomized controlled, and noninferiority trial was conducted at 17 cardiovascular [ncbi.nlm.nih.gov]

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]

Keratitis

Delays in diagnosis and treatment of keratitis can lead to serious complications, including blindness. [preventblindness.org]

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

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

Macular Degeneration

British surgeons have taken a “big step forward” towards curing the most common form of blindness by developing and successfully performing a ground breaking operation. [independent.co.uk]

However, after performing surgery on the 60-year patient, who was classified as legally blind, surgeons are optimistic of a breakthrough, although the full impact on her sight [independent.co.uk]

The treatment itself leaves permanent blind spots in a person’s vision. [preventblindness.org]

Retinitis Pigmentosa

RP typically manifests with poor vision in dimly lit environments, termed "night blindness." [afb.org]

Visual field test: this exam is designed to detect, measure, and monitor blind spots in vision. [fightingblindness.ca]

Among the first signs of RP are night blindness and tunnel vision. [abcnews.go.com]

Cataract

With regards to distance vision, 188.5 million people have mild vision impairment, 217 million have moderate to severe vision impairment, and 36 million people are blind [who.int]

Cataracts can appear in one or both eyes and if left untreated, they may result in blindness. [fightingblindness.ie]

blindness in China was unmasked. [ncbi.nlm.nih.gov]

Uveitis

Uveitis causes about 30,000 new cases of blindness each year in the United States. [preventblindness.org]

Ross, who is now blind, likes to tease that she met her husband, George, on a blind date. At the end of the night, he took her hands in his. [cnn.com]

If left untreated, it can result in vision loss and blindness. [nvisioncenters.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

Both can lead to permanent, irreversible blindness. [preventblindness.org]

If they leak blood, severe vision loss and even blindness can result. [fightingblindness.ie]

If left untreated, proliferative retinopathy can cause severe vision loss and even blindness. [web.archive.org]

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]

[…] 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]

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

Cinchonism

Blindness from quinine toxicity. Abstract We report a case of quinine overdose in a 47-year-old man who presented with blindness. [doi.org]

"Blindness from quinine toxicity". The British Journal of Ophthalmology. 72 (3): 219–24. doi:10.1136/bjo.72.3.219. PMC 1041412. PMID 3281709. [en.wikipedia.org]

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]

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]

Answer and interpretation Open angle glaucoma is a leading cause of blindness in the developed world. [lifeinthefastlane.com]

Of these, 6 million are blind. Half (3 million) were blinded by closed angle glaucoma, of which, half (1.5 million) from acute glaucoma. [nuspress.nus.edu.sg]

Toxic Amblyopia

[…] and partial blindness. [medicolegal.tripod.com]

[…] 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]

Wolfram Syndrome

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

Optic atrophy: This means that the optic nerve has wasted away and causes colour blindness and gradual loss of vision. [diabetes.org.uk]

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

Angle Closure Glaucoma

Answer and interpretation Open angle glaucoma is a leading cause of blindness in the developed world. [lifeinthefastlane.com]

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]

An initial population-based survey of the prevalence and causes of blindness in 1991 and 1992, in three representative provinces, showed that 35% of blindness was due to glaucoma [nature.com]

Papilledema

(Achromatopsia) - Nyctalopia - Blindness/Low vision Pupil Anisocoria - Argyll Robertson pupil - Marcus Gunn pupil/Marcus Gunn phenomenon - Adie syndrome Infectious diseases [bionity.com]

Blind spot enlargement and nasal defects are common initially(top, Fig. 9.23). [neuro-ophthalmology.stanford.edu]

Other visual changes occur over time, including a smaller field of vision with a larger blind spot and, ultimately, blindness, if successful treatment is not given. [health.harvard.edu]

Temporal Arteritis

If untreated, complications like ischemic optic neuritis may even lead to blindness. [ncbi.nlm.nih.gov]

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

However, while tapering the steroid dose, the patient developed a radiating headache that progressed to temporal arteritis and eventual blindness in the right eye. [ncbi.nlm.nih.gov]

Optic Nerve Infarction

Hypotension-induced blindness in haemodialysis patients. Clin Kidney J. 2014;7:387–90. [jmedicalcasereports.biomedcentral.com]

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]

Optic Neuropathy

After more than a year of follow-up the patient remains blind. [ncbi.nlm.nih.gov]

[…] throughout 7 years have shown that the patient's vision has stabilised, but remains limited to the ability of recognising hand motions on both eyes, thus characterising him as blind [ncbi.nlm.nih.gov]

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

Multiple Sclerosis

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

Systematic literature searches were performed to locate randomized, placebo-controlled, double-blind trials measuring the clinical effect of vitamin D on MS in human participants [ncbi.nlm.nih.gov]

METHODS: A randomized, double blind, placebo controlled crossover trial was conducted. 34 patients with nocturia secondary to multiple sclerosis underwent a 4-day pre-treatment [ncbi.nlm.nih.gov]

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]

Acute Angle Closure Glaucoma

Answer and interpretation Open angle glaucoma is a leading cause of blindness in the developed world. [lifeinthefastlane.com]

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]

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]

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]

Retinal Detachment

It may produce a blind spot, blurred vision or shadowy lines. Some have described effect as a curtain closing over the eye. [preventblindness.org]

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]

Cytomegalovirus Retinitis

Patients were divided as visual impairment and legal blindness. [ncbi.nlm.nih.gov]

For the cohort of blind patients that survive, there looms the social, economic, and indirect personal health consequences of permanent profound blindness at a young age, [doi.org]

This condition results in the inflammation of the retina, and can eventually lead to blindness. [symptoma.com]

Retinal Hemorrhage

The two most common symptoms of RP that you should watch for are: You are slow to adapt to dim light (night blindness) You have a slow loss of side vision. [preventblindness.org]

Some of the first symptoms may include the following: difficulty seeing at night (night-blindness) or in dimly lit areas a narrowing field of vision light and glare sensitivity [visionaustralia.org]

Diabetic retinopathy is the leading cause of blindness for those between 20 and 65 years old in the U.S. [medical-dictionary.thefreedictionary.com]