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Purpose
To determine herpes simplex virus (HSV) DNA prevalence and mean cycle threshold of polymerase chain reaction (PCR) in corneal tissue of patients with penetrating keratoplasty (PKP), with (HSK+) and without (HSK−) previous clinical herpetic keratitis history.
Methods
Retrospective review of recipient corneal buttons which were explanted through PKP between March 2010 and September 2018 at...
Aim
The aim of this study was to estimate the prevalence and causes of blindness, severe visual impairment (SVI), moderate visual impairment (MVI), and early visual impairment (EVI) and its causes in an established market economy of Europe.
Design
A cross‐sectional population‐based survey.
Methods
A sample size of 3675 was calculated using the standard Rapid Assessment of Avoidable Blindness...
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