Photo: Sun-Loving Frogs Get Skin Check With Eye Doctor's Tool

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A sun-loving splendid leaf frog pauses on a tree trunk in Costa Rica.

Conservationists in Manchester, England, are using a tool borrowed from eye doctors to study how frogs from the Central American country are being affected by global warming.

The work may help researchers better understand why some unusual frogs bask for long durations in the hot sun despite the risk of damaging their thin, permeable skin.

Photograph by Piotr Naskrecki/Minden Pictures/Getty Images

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