05. Goh WS, Lam CS. Changes in refractive trends and optical components of Hong Kong Chinese aged 19- 39 years. Ophthalmic Physiol Opt 1994;14:378-82.

05. Goh WS, Lam CS. Changes in refractive trends and optical components of Hong Kong Chinese aged 19- 39 years. Ophthalmic Physiol Opt 1994;14:378-82.