Viagra Turns out to be an Useful Tool in Optical Research
Date: January 23, 2006
Recently a group of scientists based in the UK came out with a startling report on the importance of Viagra in vision research. The finding says that therapeutic doses of Viagra affect the rate of activation of the PDE6 enzyme, which gives vision signals.
Till now the accurate effect of Viagra on human visual performance, however, remains somewhat vague and skewed. The team of researchers led by Andrew Stockman of the Institute of Ophthalmology , London , evaluated the capacity of the human eye to detect flickering lights under different doses of Viagra. It showed that 100 mg of Viagra cause transient losses in the sensitivity to flicker. These losses range from mild to moderate.
The results prove that the enzyme PDE6 is important not only in transduction, but light adaptation. The negative impact of Viagra to the enzyme would be beneficial to scientists in manipulating the visual action of PDE6 pharmacoligaclly to human beings. The research was supported by Wellcome Trust.
Source: Current Biology |
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