vision

Editor’s note: Tamara Sellman continues her occasional series on the MS alphabet with the second of two columns about terms starting with the letter “M.” Symptoms of MS Marcus Gunn pupil This is a sign of emerging MS that may be discovered during what is known as the…

Genentech’s Ocrevus (ocrelizumab) improved the vision of people with relapsing multiple sclerosis better than the widely used therapy interferon beta-1a, according to clinical trial findings presented at the 7th Joint ECTRIMS-ACTRIMS Meeting in Paris. Dr. Laura Balcer of the department of neurology at New York University made the presentation, titled “Effect…

People with a demyelinating disease associated with antibodies against a myelin oligodendrocyte glycoprotein (MOG), most often develop episodes of optic neuritis (inflammation of the optic nerve) that can be treated with corticosteroids, according to data presented today at the 7th Joint ECTRIMS-ACTRIMS Meeting from Oct. 25-28 in Paris. MOG antibody-associated demyelination is a…

Structural changes of the eye retina are a common feature among multiple sclerosis patients with a clinical history of optic neuritis, a Danish study finds. Loss of the myelin protective layer of optic nerve cells due to inflammation causes optic neuritis. About 20 percent of MS have it, and optic neuritis is a symptom of disease progression in about 40 percent of patients. In most cases, symptoms persist, leading to visual impairment or blindness, along with pain. Non-invasive optical coherence tomography can help evaluate neurodegeneration of optic nerve cells. This imaging technique allows a three-dimensional evaluation of internal eye structures, including the thickness of the retina nerve fiber layer. Previous studies have shown that MS patients may present progressive RNFL loss, but this can also be caused by optic neuritis. The use of OCT has been proposed to distinguish MS subtypes and evaluate disease activity. However, little clinical data is available to validate OCT's accuracy and potential as a diagnostic tool. To find out more, a Danish research team conducted a long-term evaluation of structural and functional visual outcomes in MS patients with and without a history of optic neuritis. Researchers observed that patients with a history of optic neuritis had significantly more RNFL thickness loss than those without optic neuritis. They linked reduced RNFL thickness with a 1.56 times higher risk of optic neuritis development. Nevertheless, the team did not find any association between optic neuritis and functional impairment of visual acuity or color vision. Use of high-resolution OCT devices coupled with up-do-date analysis software can improve the diagnostic efficacy of this imaging technique in MS patients, said researchers, who urged more studies to address the relevance of structural changes in MS.

I was watching my son’s baseball game in the early 1990s when suddenly, my left eye went blurry and blocked my vision. It was a startling incident that lasted about two hours, and then it was gone. That was my introduction into the unpredictable world of multiple sclerosis…

Researchers have tested a new compound called ST266 in a mouse model of multiple sclerosis (MS) and found that its anti-inflammatory properties prevent the loss of cells related to optic neuritis — a condition that leads to vision loss. The study, “Intranasal Delivery of a Novel Amnion Cell Secretome Prevents…

A treatment delivered as a nasal solution helped to preserve eye neurons and improve eyesight in a mouse model of multiple sclerosis (MS), a recent study demonstrated — suggesting that it may be possible to deliver drugs that target the brain in this noninvasive way. But nasal administration is not the only…

Genetically silencing the transcription factor Nrf2 in a mouse model of multiple sclerosis (MS) results in visual deficits, inflammation of the optic nerve, and degeneration of the retinal ganglion cells (RGC), according to a study published in the scientific journal Molecular Vision.

Two presentations at the European Committee for Treatment and Research in Multiple Sclerosis (ECTRIMS) 2016 Congress, now underway in London, underscored the value of measures of neurodegeneration in the eye in predicting a patient’s future disability. Peter Calabresi with the Johns Hopkins School of Medicine opened the session with the presentation, “Tools for…

Genes that encode what are called “complement” immune factors are linked to the breakdown of the retina in multiple sclerosis (MS) patients — a measure that, in turn, predicts brain damage and loss of eyesight. The study, a joint effort between researchers from Johns Hopkins School of Medicine,…

Optic neuritis is one of the symptoms of which those of us who live with multiple sclerosis on a daily basis know can set us apart from others. We are fully, and often painfully, aware that everyone is different. We all experience a different array of symptoms to similarly different…

Researchers at Johns Hopkins University in Baltimore found that visual function in multiple sclerosis (MS) patients correlates with cognitive function ands suggests that disease severity and outcomes of neuroprotective therapies in MS patients may be assessed through visual function measurements. The findings were recently presented in the oral presentation “…

The Canadian Association of Optometrists is urging people to have their eyes examined regularly as a part of their preventive care routine. The plea, an education initiative for May — which is Vision Health Month — stresses that comprehensive eye exams are important even for people with good vision, because they…

A Phase 2 clinical trial testing the efficacy of a common antihistamine, clemastine fumarate, to treat optic nerve damage in people with multiple sclerosis (MS) found the drug able to slightly reverse damage to their visual system. The  study, conducted by researchers at the Multiple Sclerosis Center at the University of California San…

Researchers at the University of Massachusetts Medical School, working in the fruit fly model, identified an organic cation transporter, CarT (carcinine transporter), that is crucial to the recycling of histamine in the brain and the maintenance of healthy vision. Histamine is a neurotransmitter involved in chronic inflammation and pathogenesis in multiple…

A new study to be presented during the American Academy of Neurology’s 67th Annual Meeting, April 24, in Washington, DC, explores the use of phenytoin, a drug commonly used to treat epilepsy, as a novel treatment for acute optic neuritis, a severe eye complication of multiple sclerosis (MS) that affects approximately half…

The Multiple Sclerosis Eye Center for Analysis, Research and Education (MS Eye CARE) is celebrating 10 years of expert eye care in improving diagnosis and treatment of multiple sclerosis (MS). The Center is the result of a collaboration between the University Eye Institute at the University of Houston’s College of Optometry and the…

Biogen Idec, a Cambridge Massachusetts Biotechnology company, has released results from its Phase 2 acute optic neuritis (AON) RENEW trial. The trial tested anti-LINGO-1, a medication that restores myelin — a fatty substance that facilitates nerve cell impulses by wrapping around them and providing insulation. The trial results indicate that anti-LINGO-1…

California-based, late-preclinical stage pharmaceutical company, Bionure, Inc,. has just announced it has signed a Sponsored Research Agreement with the National Multiple Sclerosis Society, thanks to Fast Forward, a division of the Society dedicated to commercial research and development for novel solutions for multiple sclerosis (MS). According…

The first and largest study on the association between Multiple Sclerosis (MS) and Uveitis was recently presented at the 18th annual meeting of the American Academy of Ophthalmology. The meeting was held at the McCormick Place in Chicago between October 17-21, 2014. Uveitis is a disorder characterized by inflammation of…

For the approximately 15-20% of multiple sclerosis patients with acute optic neuritis (AON), lack of vitamin D may be partly responsible. A new study published in Neurology identified a link between vitamin D levels and AON severity. Individuals with higher vitamin D levels may experience less severe…