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glasses

Study Looks to Measure Benefits of Eyeglasses for Toddlers

October 8, 2019

A team of University of Arizona researchers has received a five-year, $4.1 million grant to study whether using eyeglasses to correct astigmatism in toddlers improves language, cognitive and motor development.
Scientists are designing an accommodating contact lens for presbyopia, a condition that tends to occur in one’s forties when a stiffening of the eye’s lens makes it difficult to focus on close objects. Many of the components for the contact lens – the sensors, electronics, solar cells – would be embedded along the edge of a flexible material. Credit: Hongrui Jiang, Ph.D., University of Wisconsin, Madison.

Fish and Insects Guide Design for Future Contact Lenses

March 14, 2016

Making the most of the low light in the muddy rivers where it swims, the elephant nose fish survives by being able to spot predators amongst the muck with a uniquely shaped retina, the part of the eye that captures light.
Moderate hyperopia, if not treated, may affect reading ability and grade school readiness among preschoolers. Credit: Joe Balintfy, NEI.

Uncorrected Farsightedness Linked to Literacy Deficits in Preschoolers

January 26, 2016

A study funded by the National Eye Institute (NEI), part of the National Institutes of Health, has shown that uncorrected farsightedness (hyperopia) in preschool children is associated with significantly worse performance on a test of early literacy.