FIRST PEACH BLOSSOM EYES

Hong Kong celebrity Feng Shui Master, Peter So, has a TV programme and in one of the episodes, he pointed out that his guest, an actress by the name of Elaine Yiu had a pair of 「First Peach Blossom Eyes」. Master So is pictured with his co-host Margie Tsang and Elaine (centre) during the show.
According to the master, a person with such a pair of eyes will enjoy lots of peach blossom luck regardless of how old he or she may be. 
Master So expressed that the under eye position of Elaine's eyes is shaped like a nest, and her eyebrows slightly go up, which resembles a crescent moon when she smiles.

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Here is a clearer picture of Elaine Yiu.  Take a good look at her eyes which has been described as First Peach Blossom Eyes.