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Ocular abnormalities seen in one-third of COVID-19 patients

(HealthDay)—About one-third of patients with coronavirus disease 2019 (COVID-19) have ocular abnormalities, according to a brief report published online March 31 in JAMA Ophthalmology.

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Researchers discover genetic processes that determine short-sightedness

Three previously unknown genetic mechanisms have been discovered in causing myopia otherwise known as short or near-sightedness, finds a new study.

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Advances in production of retinal cells for treating blindness

Researchers at Karolinska Institutet and St Erik Eye Hospital in Sweden have discovered a way to refine the production of retinal cells from embryonic stem cells for treating blindness in the elderly. Using CRISPR/Cas9 gene editing, they also modified the cells so that they can hide from the immune system to prevent rejection. The studies are published in the scientific journals Nature Communications and Stem Cell Reports.

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Pink eye a possible early warning sign of coronavirus, eye doctors report

The American Academy of Ophthalmology this week issued a warning to its members that conjunctivitis, also known as pink eye, can be an early sign of the coronavirus in some patients. The academy suggested that eye doctors wear full facial protection covering eyes, ears and mouth, particularly when patients who have this inflammation of the thin, transparent tissue that lines eyelids and part of the eye also have fever and respiratory symptoms.

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