Visual Impairment: Causes & Reasons

Possible Causes for Visual Impairment

impairment severe visual impairment blindness. [web.archive.org]

If left untreated, however, they may eventually cause severe visual impairment in the affected eye. [theconversation.com]

The clouding causes distortion of light, as it passes through the lens, resulting in visual impairment and glare. [amboss.com]

Macular Degeneration

Age-related macular degeneration is a leading cause of visual impairment and severe vision loss. [ncbi.nlm.nih.gov]

[…] field Upload media Wikipedia Instance of disease, maculopathy, rare disease Subclass of degeneration of macula and posterior pole, visual impairment, autosomal dominant disease [commons.wikimedia.org]

Glaucoma

Abstract Diabetic retinopathy (DR) and glaucoma are emerging causes of blindness and visual impairment in India and the world. [ncbi.nlm.nih.gov]

The disease is responsible for one in ten cases of visual impairment. [telegraph.co.uk]

Neuronal Ceroid Lipofuscinosis

Rapidly progressing visual loss resulting in severe visual impairment within one to two years is often the first clinical sign. [ncbi.nlm.nih.gov]

Visual impairment typically appears at age four to six years and rapidly progresses to light /dark awareness only. [ncbi.nlm.nih.gov]

Other forms of NCL may present with behavior changes, epilepsy, visual impairment, or slowing of developmental progress and then loss of skills. [ncbi.nlm.nih.gov]

Strabismus

At this point, the visual impairment will be termed "amblyopia," which is reduced visual acuity in the turned eye. [familyconnect.org]

In this dataset, for individuals with strabismus and a coexisting visual impairment, it has been the visual impairment that is recorded in the single field addressing vision [onlinelibrary.wiley.com]

Screening for visual impairment in children ages 1 to 5: recommendation statement. January 2011. [bestpractice.bmj.com]

Idiopathic Intracranial Hypertension

It can lead to visual impairment but prompt diagnosis and treatment in most of the cases will prevent potentially permanent visual loss. [ncbi.nlm.nih.gov]

Visual impairment is a serious complication that may not be recognized by the patients. [dovepress.com]

BACKGROUND: Idiopathic intracranial hypertension (IIH) mostly affects young obese women and can lead to permanent visual impairment. [ncbi.nlm.nih.gov]

Achromatopsia

Light-absorbing glasses (absorption > 90%) can ameliorate this visual impairment to a certain extent but are sometimes not accepted by the patient since they are felt to disfigure [ncbi.nlm.nih.gov]

impairment, and markedly disparate color vision deficiencies between two affected cousins. [ncbi.nlm.nih.gov]

I got them at a visual impairment exhibition and for the first time I could go outside, see in the sunshine and visualise a colour. [rnib.org.uk]

Mucolipidosis

Mucolipidosis IV (ML4) is a neurodegenerative condition that is characterised by significant psychomotor and cognitive development delay, visual impairment, and poor muscle [jnetics.org]

Our study design was unable to accommodate the assessment of visual function, but we assume that degree of visual impairment contributes to functional regression. [ng.neurology.org]

impairment. [symptoma.com]

Myopia

Refractive error and visual impairment in urban children in southern China. Invest Ophthalmol Vis Sci 2004; 45 : 793–799. 10. [doi.org]

Myopia rates in the Visual Impairment Project generally decrease with age and use of myopic correction has increased in recent times. [ncbi.nlm.nih.gov]

Mechanical stretching and thinning of the choroids may lead to the development of irreversible degenerative changes in the eyeball and visual impairment. [web.archive.org]

Leber's Hereditary Optic Neuropathy

The findings of the present study suggested that the m.5587T>C mutation may be involved in the pathogenesis of visual impairment. [ncbi.nlm.nih.gov]

There are also links to Leber's-related sites and scientific papers, and useful information for visually impaired people living in the United Kingdom. [web.archive.org]

Therefore, idebenone is a valuable agent to treat visual impairment in adolescents and adults with LHON. [ncbi.nlm.nih.gov]

Hyperopia

Structured Abstract Background: Impaired visual acuity is common in preschool-aged children. [web.archive.org]

Study Selection: We selected randomized trials and controlled observational studies that directly evaluated screening for impaired visual acuity in preschool-aged children [ncbi.nlm.nih.gov]

Myopia Myopia is a common form of mild visual impairment, often called nearsightedness because people with myopia can focus well on near objects but faraway objects appear [isle.hanover.edu]

Temporal Arteritis

Ocular involvement may cause visual impairment or even blindness. Called also cranial, granulomatous, or temporal arteritis and Horton arteritis, disease, or syndrome. [web.archive.org]

Recently, we encountered a 76-year-old Taiwanese patient who presented with right visual impairment and marked pale swelling of his right disc. [ncbi.nlm.nih.gov]

Symptoms include fever; fatigue; headache; visual impairment; pain in the jaw and tongue; and aggravation of pain by cold temperatures. [icd9data.com]

Susac Syndrome

At one-year follow-up, bilateral hearing loss, mild visual impairment, and mood changes were still apparent. [ncbi.nlm.nih.gov]

Case Report: The case is presented of a 28-year-old patient hospitalized due to visual impairment of the left eye, and whose hearing and neuropsychiatric disorders had appeared [aaem.pl]

Abstract The Susac's syndrome is a rare disorder that was first described in 1979 and is characterized by a classic triad consisting in encephalopathy, visual impairment and [ncbi.nlm.nih.gov]

Craniopharyngioma

Clinical manifestations are related to increased intracranial pressure, visual impairment, and hypothalamic/pituitary deficiencies. [ncbi.nlm.nih.gov]

Clinicians need to be aware of this association, and should perform urgent MRI scanning in TS patients with headache, visual impairment or clinical/biochemical evidence of [ncbi.nlm.nih.gov]

Mucopolysaccharidosis Type 1

Ocular manifestations are common in the mucopolysaccharidoses and may result in significant visual impairment. [ncbi.nlm.nih.gov]

The severe visual impairment was attributed in one patient (patient 10H, Table 2 ) to cortical visual impairment, and to optic atrophy secondary to previous raised intracranial [nature.com]

impairment Impaired vision Loss of eyesight Poor vision [ more ] 0000505 Percent of people who have these symptoms is not available through HPO Aortic regurgitation 0001659 [rarediseases.info.nih.gov]

Retrobulbar Neuritis

When this nerve is inflamed, the transmission of information is disturbed and visual impairment results. [chop.edu]

[…] function in patients with ON is usually assessed by visual acuity, and more sensitive measures of visual impairment, such as contrast sensitivity and low-contrast letter [neurologyindia.com]

The predominant complication of optic neuritis is visual impairment, and in the worst case, blindess. [clinicaladvisor.com]

Hypopyon Ulcer

On the other hand, the hypopyon will go away on its own without any treatment, however, if the underlying condition is not treated, it can result in glaucoma, visual impairment [actforlibraries.org]

Treatment Prompt treatment is essential for all forms of corneal ulcer to prevent complications and permanent visual impairment. [healthcentral.com]

Presbyopia

BACKGROUND/AIMS: New surgical techniques have recently been developed in order to compensate for visual impairment and to improve visual comfort for patients with presbyopia [ncbi.nlm.nih.gov]

Four hundred individuals with distance visual impairment were excluded from the analysis. [ncbi.nlm.nih.gov]

In multivariable models, younger age, male sex, Malay and Indian ethnicities, presenting distance visual impairment (any eye), and lower education and income levels were associated [ncbi.nlm.nih.gov]

Neuromyelitis Optica Spectrum Disorder with Anti-AQP4 Antibodies

Approximately 50% of patients with NMOSD have permanent visual impairment and paralysis caused by NMOSD attacks. [fda.gov]

impairment, and brainstem syndromes with persisting hiccups, nausea or vomiting episodes. [icnapedia.org]

The characteristic symptoms in 95% of patients are attacks, with significant long-term sequelae: 36% will have permanent motor disability; 42%, visual impairment; and 23% [neurologia.com]

Cryopyrin-Associated Periodic Syndrome

We underscore that ocular involvement in MuckleWells syndrome should be carefully assessed, since it can lead to visual impairment. [ncbi.nlm.nih.gov]

A total of 36 of the patients were diagnosed with NOMID, which is characterized by fevers, rash, headache, aseptic meningitis, hearing loss, visual impairment, and cognitive [medpagetoday.com]

Visual and hearing impairment are frequently reported. Contrary to FCU and MWS, remission and recurrence is not typical for CINCA. [symptoma.com]

Mucopolysaccharidosis Type 4A

In general, MPS-IVA patients show normal intelligence, but visual impairment and hearing loss are regularly reported. [symptoma.com]

Involvement of other organ systems can lead to respiratory complications, valvular heart disease, hearing impairment, visual impairment from corneal clouding, dental abnormalities [centogene.com]

Additionally, MPS-IVA patients may present with visual and hearing impairment, respiratory distress and heart disease. [symptoma.com]

CINCA Syndrome

impairment due to optic atrophy Visual field – retinal blind spot enlargement CT scan can be normal show mild cerebral atrophy – mild enlargement of ventricles and subdural [dermnetnz.org]

impairment including blindness retinal vasculitis – rare Physical appearance Prominent forehead Flattening of the nasal bridge (saddleback nose) Large head ( macrocephaly [dermnetnz.org]

Consequences of secondary amyloidosis, deafness, visual impairment, mental retardation or existing developmental delay can or do persist, remaining stable or showing further [dermnetnz.org]

Retinoblastoma

impairments. [afb.org]

They include parents of visually impaired children, visually impaired children themselves, Community Paediatricians, Ophthalmologists, Educationalists and Psychologists. [ssc.education.ed.ac.uk]

RB is most often painless and children rarely complain of visual impairment despite its rapid progression towards loss of vision in the affected eye. [orpha.net]

Cinchonism

Attempted suicide by intake of a large dose of quinine has caused irreversible tunnel vision and very severe visual impairment.[2] Patients treated with quinine may also suffer [en.wikipedia.org]

[…] has to be carefully evaluated to weigh the benefits against potential risks, such as cinchonism (nausea, vomiting, tinnitus, and deafness),[11] thrombocytopenia,[12] and visual [the-medical-dictionary.com]

impairment.[13] Magnesium plays a central role in metabolism and muscle function by participating in many of the biochemical reactions that take place in the body, particularly [the-medical-dictionary.com]

Thallium Poisoning

To determine the cause of visual impairment and to document the late eye disturbances in a case of thallium poisoning. [ncbi.nlm.nih.gov]

Our patient had severe visual impairment and prolonged P100 latency of visual evoked potential due to retrobulbar neuritis. [pmj.bmj.com]

Abstract Purpose: To determine the cause of visual impairment and to document the late eye disturbances in a case of thallium poisoning. [link.springer.com]

Astigmatism

PURPOSE: Post-operative corneal astigmatism following cataract surgery can leave the patient with visual impairment. [ncbi.nlm.nih.gov]

PURPOSE: Worldwide, the most frequent cause of visual impairment is uncorrected refractive error. [ncbi.nlm.nih.gov]

Picture of Astigmatism Astigmatism is a common form of visual impairment in which an image is blurred due to an irregularity in the curvature of the front surface of the eye [medicinenet.com]

Brain Neoplasm

impairment. [neurosurgery.ucla.edu]

visual defects, speech impairment, and seizures. [aapmr.org]

[…] is situated) Common Symptoms - Loss of smell (anosmia), subtle personality changes, mild difficulty with memory, euphoria, diminished concentration, urinary incontinence, visual [neurosurgery.ucla.edu]

Athetoid Cerebral Palsy

impairment, swallowing difficulties, speech impairment (dysarthria), and hearing loss. [nmihi.com]

impairment due to a dyskinetic eye movement disorder in children with dyskinetic cerebral palsy. ( 12033724 ) Roulet-Perez E....Deonna T. 2002 47 Visual impairment due to [malacards.org]

Other presentation included speech difficulties in 37% of cases, visual impairments, convulsions, and hearing loss which all occurred in few patients. [symptoma.com]

Alacrima - Achalasia - Mental Retardation

impairment, autism and intellectual disability. 61 Chokron S...Dutton GN 32298709 2020 32 Int22h1/Int22h2-mediated Xq28 duplication syndrome: de novo duplications, prenatal [malacards.org]

Impairment and Intellectual Disability cerebrocostomandibular syndrome Cerebrofaciothoracic Dysplasia Cerebrooculofacioskeletal Syndrome 2 Cerebrooculofacioskeletal Syndrome [rgd.mcw.edu]

Haynes D...Lacassie Y 32324310 2020 30 Seizures and Epilepsy in Autism Spectrum Disorder. 61 Besag FMC...Vasey MJ 32471597 2020 31 The inter-relationships between cerebral visual [malacards.org]

Retinal Detachment

Proliferative diabetic retinopathy is a major cause of visual impairment in working-age adults worldwide. [ncbi.nlm.nih.gov]

It is a very serious eye condition and can cause severe visual impairment if it is not treated promptly. [patient.info]

However, for some, macular detachment will lead to severe visual impairment in the affected eye. [patient.info]