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Ocular Health Implications of the Loss of Dynamic Range of Focus Function in Presbyopia
Presbyopia is defined as the eye’s loss of ability to focus on objects at near distances, and it is the most common cause of age-related vision impairment. Presbyopia is a significant global health issue that is underdiagnosed. It affects all people in their 40s and older: an estimated 90 million people in the United States and more than 1 billion people worldwide, are affected.1 Of these, half a billion have no or inadequate spectacles, and 410 million are unable to perform important near tasks.1–3 Thus, presbyopia is both widespread and undertreated.
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Pathogenesis of Presbyopia: A New Understanding of an Age-Old Disease
FOR MOST OF HISTORY, PRESBYOPIA has been defined as a “normal” refractive error caused by age, with discussion limited to the loss of near vision beginning in our 40s. Because we have had no effective therapeutic interventions available, presbyopia has been accepted as a natural part of life and treated primarily by changing power at either …
read moreAce Vision Group Adds Four Ophthalmologists to Medical Advisory Board; Launches New Corporate and Medical Affairs Websites
Ace Vision Group announced the addition of Cathleen McCabe, MD; James Katz, MD; Ehsan Sadri, MD; and Dagny Zhu, MD, to its medical advisory board. These prominent ophthalmologists will contribute expertise to advance the development and implementation of novel solutions for eye health, specifically Laser Scleral Microporation (LSM), a laser therapeutic designed to rejuvenate the …
read moreDr. Robert Ang in CRST
What other future treatments have promise? Laser scleral microporation is under investigation as a laser treatment for patients with emmetropic presbyopia. Four quadrants of the sclera are treated with an Er:YAG laser to uncrosslink the sclera and rejuvenate the accommodative mechanism (see video demonstration below). Treatment does not appear to affect the visual axis or …
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