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The one-piece aspheric Collamer nanoFlex IOL (STAAR Surgical, Monrovia, California) provided good near vision results and superior intermediate vision compared with the approved premium IOLs in the United States, according to data from the nanoFlex Challenge. The data were presented by James Lewis, MD, of the Wills Eye Surgical Network, Philadelphia, at the AAO meeting.1 Dr. Lewis is a member of STAAR’s Collamer Accommodating Study Team (CAST).
The nanoFlex Challenge study compared STAAR’s lens with other IOLs on the US market. Physicians implanted at least 10 patients with a nanoFlex IOL and 10 patients with their current aspheric IOL of choice and then compared the results.
According to Dr. Lewis, nearly 75% of patients had distance-corrected binocular intermediate vision of 20/32 or better. The CAST study found 75% of patients achieved at least 20/40 at intermediate distance. Half the patients achieved distance-corrected binocular near vision of 20/50 or better.
“This is not hocus-pocus. This is real. In my practice I describe nanoFlex as a ‘no-cost’ premium lens. I haven’t put in a premium lens other than the nanoFlex since reviewing this data,” Dr. Lewis said.
STAAR Surgical is working with the Food and Drug Administration (FDA) on the protocol for a clinical study, called CAST II, that would evaluate the nanoFlex IOL’s near and intermediate visual results with the potential for a label change if the study provides adequate findings.
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