Enlarged Blind Spot: Causes & Reasons

Possible Causes for Enlarged Blind Spot

Goldmann visual field revealed an enlarged blind spot in the right eye only ( Figure 2 ). [omicsonline.org]

Although the appearance of her optic discs remained unchanged, her visual fields showed enlargement of the blind spots and she began to experience transient visual obscurations [bjo.bmj.com]

Note the enlarged blind spot on automated 24-2 visual field seen in the left eye of a patient. Click image to enlarge. [reviewofoptometry.com]

Idiopathic Intracranial Hypertension

In patients with visual loss, the most common perimetric finding was partial arcuate visual field defect with an enlarged blind spot, and patients tended to have mild loss [2minutemedicine.com]

– Enlarged blind spot or other visual field loss. – Diplopia. 6. Associated Conditions  Before examination, think!? [slideshare.net]

The most common visual field defect was a partial arcuate defect with an enlarged blind spot, and the average (SD) CSF opening pressure was 343.5 (86.9) mm H 2 O. [2minutemedicine.com]

Astrocytoma of the Brain

Changes (such as swelling) may be observed in the back of the eye, where the blind spot is. [cedars-sinai.edu]

In young children, the growing pressure of an astrocytoma tumor inside the skull may enlarge the head. [cedars-sinai.edu]

Brain Neoplasm

blind spot. [intechopen.com]

[…] benign slow growing lesions symptoms may not become evident until the patient experiences and accident from running into an object that they didn’t visualize secondary to an enlarged [intechopen.com]

Subdural Hematoma

Head CT > Trauma > Chronic Subdural Hematoma Chronic Subdural Hematoma Chronic SDH becomes low density as the hemorrhage is further reabsorbed. It is usually uniformly low density but may be loculated. Rebleeding often occurs and causes mixed density and fluid levels. Crescent shaped chronic subdural hematoma[…] [med-ed.virginia.edu]

Epidural Hematoma

Investigating the Levels of Soluble Extracellular Domain of HER2 Protein in the Sera of Meningioma Patients. Gamma Knife Radiosurgery for Hemorrhagic Brainstem Cavernomas. Aysegul UCUNCU KEFELI,Meric SENGOZ,Selcuk PEKER How to Reduce Stress on the Pedicle Screws in Thoracic Spine? Importance of Screw Trajectory:[…] [turkishneurosurgery.org.tr]

Acute Subdural Hematoma

Remote intracranial hemorrhages after craniotomy or craniectomy may rarely develop. As the sparse literature on this phenomenon has focused on contralateral intraparenchymal and epidural clots, only seven cases of postoperative contralateral acute subdural hematomas have been reported in the literature. We[…] [ncbi.nlm.nih.gov]

Ocular Migraine

The blind spot usually enlarges and may move across your field of vision. [pittsburgheyeassociates.com]

The blind spot usually enlarges and may move across their field of vision. [migrainetreatmentgroup.com]

inside the blind spot. [pittsburgheyeassociates.com]

Brain Abscess

Brain abscess is a focal pyogenic infection of the brain's parenchyma. The most frequent intracranial locations (in descending order of frequency) are: frontal-temporal, frontal-parietal, partial, cerebellar, and occipital lobes. The major predisposing factors are: an associated contiguous focus of infection, trauma,[…] [ncbi.nlm.nih.gov]

Acute Zonal Occult Outer Retinopathy

Even in elderly patients with enlarged blind spots, it is important to consider the possibility of acute idiopathic blind spot enlargement syndrome. [ispub.com]

The phenomenon was first recognised in the multiple evanescent white dot syndrome (MEWDS) as the enlarged blind spot syndrome. [pubmed.ncbi.nlm.nih.gov]

[…] were found in the four [corrected] eyes without blind spot enlargement. [ncbi.nlm.nih.gov]

Cavernous Sinus Thrombosis

Fumihiko Matsumoto 1 Email author, Misato Kasai 1, Kaori Kurano 1, Daisuke Sasaki 1 and Katsuhisa Ikeda 1 Head & Face Medicine 2013 9 :9 https://doi.org/10.1186/1746-160X-9-9 © Komatsu et al.; licensee BioMed Central Ltd. 2013 Received: 15 November 2012 Accepted: 5 March 2013 Published: 13 March 2013 Abstract Objective[…] [head-face-med.biomedcentral.com]

Malignant Glioma

Curr Oncol Rep. 2017 Nov 2;19(12):84. doi: 10.1007/s11912-017-0637-y. Author information 1 Department of Neurology (ZC), Yale University School of Medicine, New Haven, CT, 06520, USA. 2 Department of Radiology (DS), Stanford University School of Medicine, Palo Alto, CA, 94305, USA. 3 Department of Neurology & Neurological[…] [ncbi.nlm.nih.gov]

Intracranial Hypertension

– Enlarged blind spot or other visual field loss. – Diplopia. 6. Associated Conditions  Before examination, think!? [slideshare.net]

In patients with visual loss, the most common perimetric finding was partial arcuate visual field defect with an enlarged blind spot, and patients tended to have mild loss [2minutemedicine.com]

Neuro-ophthalmic Examination – Insidious visual or field loss. – Sever loss (chronic papilloedema, RD, Hx, macular exudate). – Peripheral field defects, enlarged blind spot [slideshare.net]

Choroiditis

Patients report blurred vision, floaters, photopsias, and scotomata including an enlarged blind spot. [aao.org]

An enlarged blind spot is invariably present. The patients have photopsias as well. [entokey.com]

When a person has MFC, lesions in the eye will appear as fluorescent spots. Vision tests may also show an enlarged blind spot or a decrease in visual clarity. [rarediseases.info.nih.gov]

Severe Idiopathic Pneumococcemia

OBJECTIVE: To describe the clinical findings in patients with acute idiopathic blind spot enlargement (AIBSE). [ncbi.nlm.nih.gov]

All patients had enlarged blind spots of variable size and density. Dyschromatopsia and afferent pupil defects were prevalent. [ncbi.nlm.nih.gov]

METHODS: Medical record review of 27 patients with AIBSE (without sufficient optic nerve head swelling to cause blind spot enlargement) seen in 2 academic neuro-ophthalmology [ncbi.nlm.nih.gov]

Optic Disc Coloboma

Visual field defects and enlarged blind spots are also common 3. [radiopaedia.org]

spot), single-field analysis of RE revealed an enlarged blind spot [Figure 2]. [nigerianjournalofophthalmology.com]

Optic pits can also present with visual field defects, including an arcuate scotoma, a relative central scotoma and an enlarged blind spot. [reviewofophthalmology.com]

Foster-Kennedy Syndrome

Enlarged blind spots Symptoms Progressive visual loss Headache Nausea/vomiting Anosmia Diplopia Emotional lability Physical examination Visual acuity is variably affected [eyewiki.org]

blind spot) secondary to elevated intracranial pressure [17] Symptoms and signs of increased intracranial pressure (e.g., headache diplopia, nausea and vomiting)[14] Family [eyewiki.aao.org]

Variable visual field loss in the affected eye in an optic neuropathy pattern with visual field loss of papilledema in the fellow eye (e.g., enlarged blind spot, nerve fiber [eyewiki.org]

Secondary Optic Atrophy

On examination visual acuity was 6/6 in both eyes with an enlarged blind spot in the left eye. Pupillary reactions and colour vision was normal in both eyes. [ispub.com]

In established stage - there is enlargement of the blind spot. 3. [thamburaj.com]

Enlarged blind spot. Papillitis is an active inflammation of nerve head (an optic neuritis). [academy.org.uk]

Isolated Megalopapilla

In general, visual acuity and visual fields are normal, except for an enlarged blind spot. Ciliary arteries are more common in megalopapilla. [orpha.net]

Punctate Inner Choroidopathy

Visual fields show enlargement of the blind spot in approximately 41% of cases and central and paracentral scotoma. [eyewiki.aao.org]

Enlarged blind spots in chorioretinal inflammatory disorders. Ophthalmology. 1996;103:606--17 ↑ Watzke RC, Shults WT. [eyewiki.aao.org]

Clinical features and natural history of the acute idiopathic enlarged blind spot syndrome. Ophthalmology. 2002;109:1326--35 ↑ 15.0 15.1 Stepien KE, Carroll J. [eyewiki.aao.org]

Pseudopapilledema

Optic disc drusen: longitudinal aspects, with emphasis on visual field constriction and enlarged blind spot: a retrospective hospital-based clinical series. [link.springer.com]

Visual field defects associated with ONHD include enlarged blind spots, localized focal defects, arcuate visual field defects or generalized constrictions. [reviewofoptometry.com]

blind spots, peripheral constriction, or glaucomatous nerve fiber bundle defects. [ncbi.nlm.nih.gov]

Usher Syndrome Type 1B

Night vision loss begins first, followed by blind spots that develop in the side (peripheral) vision, that can enlarge and merge to produce tunnel vision (loss of all peripheral [rarediseases.org]

Optic Nerve Infarction

spot enlargement syndrome. [clinicalgate.com]

Visual fields to confrontation, specifically looking for an enlarged blind spot. Assess the neurological system and the cranial nerves. [patient.info]

Enlarged blind spot. Papillitis is an active inflammation of nerve head (an optic neuritis). [academy.org.uk]

Paranoid Personality Disorder

The visual hallmarks are relatively spared visual acuity in the setting of bilateral optic disc edema with enlarged blind spots, nasal visual field loss, or constriction of [medlink.com]

Visual field testing may detect an enlarged blind spot. Later, visual field testing may show defects typical of nerve fiber bundle defects and loss of peripheral vision. [merckmanuals.com]

Optic Nerve Edema-Splenomegaly Syndrome

These can include nasal step defects, enlarged blind spots, arcuate scotomas, sectoral field loss and altitudinal defects. [6] Clinical symptoms correlate to visibility of [en.wikipedia.org]

Visual fields show a central or cecocentral scotoma, enlargement of the blind spot, and eventually severe peripheral constriction. [disorders.eyes.arizona.edu]

Bardet-Biedl Syndrome Type 3

Over time, these blind spots enlarge and merge to produce tunnel vision. [encyclopedia.pub]

Problems with night vision become apparent by mid-childhood, followed by blind spots that develop in the side (peripheral) vision. [encyclopedia.pub]

Most people with Bardet-Biedl syndrome also develop blurred central vision (poor visual acuity) and become legally blind by adolescence or early adulthood. [encyclopedia.pub]

Birdshot Chorioretinopathy

blind spot, and central defect Color and contrast sensitivity abnormalities OCT - decreased reflective macular photoreceptor bands on OCT [7]. [eyewiki.aao.org]

When a person has MFC, lesions in the eye will appear as fluorescent spots. Vision tests may also show an enlarged blind spot or a decrease in visual clarity. [rarediseases.info.nih.gov]

Visual Fields: This test can demonstrate various defects including multiple foci of vision loss, arcuate cahnges, enlarged blind spot, or central defects depending on the [eyewiki.aao.org]

Phthisical Cornea

The visual field showed an enlarged blind spot and a suggestion of a nasal step, most likely due to a short period of high pressure soon after the burn. [jamanetwork.com]

Toxic Amblyopia

A blind spot may develop and gradually enlarge. It may not be noticed at first. [msdmanuals.com]

An initially small central or pericentral scotoma slowly enlarges, typically involving both the fixation and the blind spot (centrocecal scotoma), and progressively interferes [msdmanuals.com]

Optic Nerve Glioma

blind spot in the right eye (oculus dexter, OD). [bmcophthalmol.biomedcentral.com]

blind spot on visual field testing TREATMENT of OPTIC NERVE GLIOMA No universal standard of managment Histology does not predict clinical behavior Natural history is slowing [eyerounds.org]

VF: enlarged blind spot (OD). Orbital MRI: enhanced fusiform optic nerve tumor before the optic chiasma on a T1- weighted contrast image. [bmcophthalmol.biomedcentral.com]