Unilateral Blindness: Causes & Reasons

Warning: Do not use in emergencies, if pregnant, if under 18, or as a substitute for a doctor’s advice or diagnosis. Learn more

Possible Causes for Unilateral Blindness

Optic Nerve Injury

A case of unilateral blindness following blunt injury to the skull is presented. [ncbi.nlm.nih.gov]

Methods: One hundred consecutive patients with unilateral/ bilateral blindness as a result of minor head injury were studied with regard to their visual status, CT scan, MRI [ijo.in]

[…] a blinding disease. [merckvetmanual.com]

Temporal Arteritis

blindness; shares many of the symptoms of polymyalgia rheumatica Applies To Cranial arteritis Horton's disease Temporal arteritis ICD-9-CM Volume 2 Index entries containing [icd9data.com]

blindness. [medical-dictionary.thefreedictionary.com]

Visual symptoms of diplopia, blurred vision, or amaurosis fugax may antedate development of sudden unilateral blindness. [rheumaknowledgy.com]

Optic Nerve Infarction

Unilateral blindness occurring during anesthesia for neurosurgical operations. AMA Arch Ophthalmol 1954;52:819–30. [journals.lww.com]

In addition, examination of the pupils may not show any difference in size when both the eyes are open. · Unilateral blindness due to optic nerve injury is often missed on [thamburaj.com]

Loss of vision may be unilateral but is often bilateral, ranging from irreversible total blindness to mild transient deficits. [ijo.in]

Branch Retinal Artery Occlusion

Symptoms: In central retinal artery occlusion, the patient generally complains of sudden, painless unilateral blindness. [alpfmedical.info]

Cavernous Sinus Aneurysm

Triad of unilateral blindness, orbital fractures and massive epistaxis’ after head injury. J. Neurosurg., 1961;18: 837. 5. Mahmoud, NA. [jpma.org.pk]

Occlusion of the Ophthalmic Artery

Unilateral blindness occurring during anaesthesia for neurosurgical operations. AMA Arch Ophthalmol 1954; 52: 819-30. 6. [neurologyindia.com]

and in case of unilateral involvement, to save the other eye. [ijmr.org.in]

This case highlights the importance of early diagnosis and prompt treatment of giant cell arteritis in order to prevent the blinding complications like ophthalmic artery occlusion [ijmr.org.in]

Carotid-Cavernous Sinus Fistula

German, Triad of unilateral blindness, orbital fractures and massive epistaxis after head injury. J. Neurosurg. 18 (1961), 837–840. PubMed Google Scholar McCormick, W. [link.springer.com]

Cavernous Sinus Thrombosis

Complications of cavernous sinus thrombosis include meningoencephalitis, brain abscess, stroke, blindness, and pituitary insufficiency. [merckmanuals.com]

Cavernous sinus thrombosis and blindness as complications of an odontogenic infection: report of a case and review of literature. [degruyter.com]

Symptoms and Signs Initial symptoms of cavernous sinus thrombosis are progressively severe headache or facial pain, usually unilateral and localized to retro-orbital and frontal [merckmanuals.com]

Cytomegalovirus Retinitis

However, there is a risk of unilateral blindness in severe cases. [patient.info]

Blindness can ensue within months of symptom onset. Furthermore, cytomegalovirus retinitis is often initially unilateral before becoming bilateral. [symptoma.com]

Retinitis often begins unilaterally, but progression to bilateral disease is common. [njcponline.com]

Multiple Sclerosis

Unilateral or asymmetric optic neuritis and bilateral internuclear ophthalmoplegia are typical. Central vision is affected more than peripheral vision. [msdmanuals.com]

Optic neuritis causes loss of vision (ranging from scotomas to blindness), eye pain during eye movement, and sometimes abnormal visual fields, a swollen optic disk, or a partial [msdmanuals.com]

Retinal Hemorrhage

Congenital stationary night blindness, dystrophies of the choroid and retina (gyrate atrophy, choroideremia). [institut-vision.org]

[…] mimic RP, such as Usher syndrome, Waardenburg syndrome, Alport syndrome, Refsum disease, Leber congenital amaurosis (LCA), Senior-Loken syndrome, Bardet-Biedl syndrome, unilateral [institut-vision.org]

Retinoblastoma

It can occur in one eye (unilateral) or in both eyes (bilateral). Retinoblastoma is usually confined to the eye and has not spread to other tissues. [acco.org]

Complications The following clinical conditions may complicate from the primary retinoblastoma and from its post-radiation condition: Blindness: A dysfunctional orbit may [symptoma.com]

The present challenge for those who treat retinoblastoma is to prevent blindness and other serious effects of treatment that reduce the life span or the quality of life after [acco.org]

Retinopathy

Congenital stationary night blindness, dystrophies of the choroid and retina (gyrate atrophy, choroideremia). [institut-vision.org]

Ophthalmoplegic Migraine

[…] of unilateral visual disturbance or blindness lasting from minutes to one hour. [reviewofoptometry.com]

[…] is manifested by recurrent attacks of unilateral visual disturbance or blindness lasting from minutes to 1 hour, associated with minimal or no headache. [emedicine.medscape.com]

Also called ophthalmic or ocular migraine, this is a fairly common cause of transient monocular blindness in young adults. 14,15 This disorder is manifested by recurrent attacks [reviewofoptometry.com]

Glaucoma

We report a case of a 24-year-old male patient with post-laser assisted in situ keratomileusis (LASIK) culture-proven mycotic keratitis who developed pupillary block glaucoma on day 19 of medical management. The case was initially managed with multiple Nd-Yag peripheral iridotomy along with systemic and topical[…] [ncbi.nlm.nih.gov]

Primary Progressive Multiple Sclerosis

We present three patients with a clinical course and cerebrospinal fluid findings consistent with a diagnosis of primary progressive multiple sclerosis (PPMS). Extensive and repeated magnetic resonance imaging (MRI) examinations showed only diffuse abnormality in brain and spinal cord, but no focal lesions. We propose[…] [ncbi.nlm.nih.gov]

Carotid Embolism

We herein present a case of an internal carotid artery embolism associated with a hidden internal carotid artery aneurysm. The aneurysm was visualized during successful endovascular treatment of the carotid embolism. In retrospect, the aneurysm was at risk of rupture during the procedure. In the endovascular[…] [ncbi.nlm.nih.gov]

Carotid Artery Occlusion

OBJECTIVES: Management of patients with acute aortic dissection type A (AADA) and cerebral malperfusion secondary to occlusion or stenosis of the left common carotid artery (LCCA) or right common carotid artery (RCCA) is a significant challenge. The aim of this study is to present our institutional strategy and[…] [ncbi.nlm.nih.gov]

Cataract

Capsular contraction syndrome (CCS) has been reported as an uncommon complication after an cataract extraction surgery with intact anterior capsulorhexis. This report is written to present a case of complete occlusion of the anterior capsulorhexis opening after an uneventful cataract surgery, which was[…] [ncbi.nlm.nih.gov]

Meningioma

Meningioma refers to one oR many tumors that arise in very close contact to the meninges. The meninges are the membranous layers that cover the brain and spinal cord. Symptoms of meningioma are produced via different mechanisms. By irritating the underlying cortex, they can cause seizures. Headaches, weakness,[…] [symptoma.com]

Sarcoidosis

Cutaneous involvement is classified as either "specific" or "nonspecific". Histopathologically, specific lesions manifest as noncaseating granulomas, whereas nonspecific lesions do not reveal granulomas on histopathologic examination. Erythema nodosum (EN) (shown below) is the main nonspecific cutaneous disease. Lupus[…] [emedicine.medscape.com]

Secondary Glaucoma

The case of a 40-year-old female patient with choroidal melanoma with secondary glaucoma presenting as a painful blind right eye is reported. Liver metastasis was detected by ultrasonography. The choroidal tumor measured 2 x 2.1 x 1.5 cm; histopathology showed that it was of the spindle cell (spindle A) variety.[…] [ncbi.nlm.nih.gov]

Diabetic Retinopathy

Diabetic retinopathy Image of fundus showing scatter laser surgery for diabetic retinopathy Pronunciation ˌrɛtnˈɑpəθi Specialty Ophthalmology Symptoms May have no symptoms; blurry vision, vision loss, blindness Causes Long-term poor control of diabetes mellitus Diabetic retinopathy, also known as diabetic eye[…] [en.wikipedia.org]

Acute Angle Closure Glaucoma

To present an unusual case of simultaneous bilateral acute angle-closure (AAC) glaucoma in a patient with subarachnoid hemorrhage due to an aneurysm involving the right middle cerebral artery. A 60-year-old woman with a clinically inexplicable bilateral nonreacting mydriasis after brain surgery underwent an[…] [ncbi.nlm.nih.gov]

Vitreous Hemorrhage

Vitreous hemorrhage is an uncommon cause of decreased vision in children. We report a 3-year-old child with bilateral vitreous hemorrhage secondary to an isolated platelet factor 3 (PF-3) availability defect. Prophylactic infusion of platelet-rich plasma followed by pars plana vitrectomy in both eyes resulted in an[…] [ncbi.nlm.nih.gov]

Angle Closure Glaucoma

BACKGROUND: To evaluate the biometric factors associated with the accuracy of intraocular lens power predictions for cataract surgery in primary angle-closure (PAC) or primary angle-closure glaucoma (PACG) eyes. DESIGN: Cross-sectional study PARTICIPANTS: This study included 103 PAC or PACG patients who had[…] [ncbi.nlm.nih.gov]

Retinal Detachment

Retinal detachment Other names Detached retina Slit lamp photograph showing retinal detachment. Specialty Ophthalmology Symptoms Increased number of floaters, flashes of light, worsening of the outer part of the visual field[1][2] Complications Permanent loss of vision[3] Usual onset 60s and 70s[1] Causes Retina[…] [en.wikipedia.org]

Stromal Corneal Dystrophy

Corneal stromal dystrophy is, in fact, a term used to describe a number of related conditions, which cause opacification of the cornea. It is a sub division of a broader group of corneal dystrophies. The etiology is genetic, although inheritance patterns vary. Corneal stromal dystrophy (CSD) includes a number of[…] [symptoma.com]

Ectopia Lentis

BACKGROUND: To clinically characterize a cohort of patients with ectopia lentis (EL), or Marfanoid features in whom a definite genetic diagnosis of Marfan syndrome (MFS) had been excluded (atypical MFS), and to evaluate the contribution of mutations in ADAMTSL4 (OMIM * 610113), and P3H2 (LEPREL1; OMIM * 610341) to[…] [ncbi.nlm.nih.gov]

Lens Dislocation

Many surgical techniques to repair late in-the-bag intraocular lens (IOL) dislocation have been described. We present a modification to ab externo scleral fixation of in-the-bag IOL dislocation that minimizes cumbersome intraocular manipulations. Using an iris hook for intraocular suture retrieval under direct[…] [ncbi.nlm.nih.gov]