First-born children run higher risk of becoming nearsighted later in life compared with their later-born siblings a study says. Parents pushing the eldest kid to do better in studies may be partly blamed for the higher myopia risk among the first-borns the researcher found. 'Our study provides an extra piece of evidence linking education and myopia consistent with the very high prevalence of myopia in countries with intensive education from an early age' study author Jeremy Guggenheim of Cardiff University in Britain was quoted as saying. For the study researchers examined birth order and nearsightedness in about 89000 people ages
