The COMET study attempted to determine if using an invisible bifocal lens would slow the rate of myopia (nearsightedness) increase in children who need glasses.
The study shows a clinically inconsequential difference between patients wearing invisible bifocals versus patients wearing standard single vision (distance vision correction) lenses. There was a benefit for patients who did not refocus well for near tasks and whose eyes tended to become esophoric (the eyes have a tendency to cross inwards but do not remain crossed) when doing near tasks.
The take home message is: " The small magnitude of the effect does not warrant a change in clinical practice."
Dr. Glen J. Chiasson
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