Understanding spherical aberration

Today the goal of cataract surgery is to provide patients with the best possible quality of vision. While it is common to see patients post-cataract surgery with a visual acuity (VA) of 20/20, many patients remain dissatisfied with their quality of vision. This is due to several factors, including problems with the ocular surface, pseudophakic dysphotopsia, and optical aberrations in general.

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How sleep position may affect dry eye

Dry eye is the single most common reason that patients come into a practitioner’s office, with a prevalence of around 40% of those seeking ophthalmic care, according to Hank Perry, MD, Ophthalmic Consultants of Long Island, New York. What may not be clear in an office visit is that the patient’s sleep position may be a prime factor in his or her condition.

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How effective is lid warming for meibomian gland dysfunction?

Meibomian gland dysfunction (MGD) is a common finding among patients who seek eyecare. In many patients, the disease is completely asymptomatic. In others, the severity can range from being a mild annoyance to significantly impacting vision and quality of life.

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Post-operative management of corneal crosslinking patients

The success of any surgical intervention depends as much on postoperative care and management as it does on the surgical procedure itself. This undoubtedly also holds true for corneal crosslinking. At our hospital, we have been performing corneal crosslinking with the IROC illumination system since the development of the first prototype and continue to use the latest UV-X 2000 crosslinking device.

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Mooren’s ulcer vs. PUK: The difference can mean life or death

While Mooren's ulcer is by definition not associated with any systemic autoimmune disorder, it can be confused with corneal ulcers that are early warning signs of life-threatening diseases, said C. Stephen Foster, M.D., founder and president, Massachusetts Eye Research and Surgery Institute, Cambridge, and clinical professor of ophthalmology, Harvard Medical School, Boston.

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Distinguishing dendrites

Many epithelial lesions have a dendritic shape. Although most of these lesions are pseudodendrites, they are frequently misdiagnosed as herpes simplex virus (HSV). The shape differences between these dendrites are subtle, but do exist. EyeWorld spoke to two experts on the subject who weighed in on the telltale signs.

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New antibiotic option for the treatment of blepharitis

A common but underdiagnosed condition, blepharitis presents the clinician with several challenges. Not only is diagnosis complicated by the frequent co-occurrence of other ocular surface conditions with similar symptoms, but traditional regimens to treatment have been largely unsatisfactory.

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