Myopia among American male graduate students.
D004500:Education, Graduate; D006801:Humans; D008297:Male; D009184:Mydriatics; D009216:Myopia / Q000453:epidemiology*; D012029:Refraction, Ocular; D012030:Refractive Errors / Q000175:diagnosis; D013334:Students; D014481:United States; D014787:Vision Tests
D009184:Mydriatics