Although badminton is played in many parts of the world, it is most popular in South-East Asia. It is a racket game with a shuttlecock played as singles between two or as doubles between four players. The racket is similar to a squash racket but much lighter. The shuttle- cock is almost cone-shaped, 31 in. long with a diameter of 21 in. at one end and i in. at the other. Most ocular injuries occur as a result of a "smash" hit.
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S. Chandran (1974) studied this question.
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