A review of corneal imaging methods for the early diagnosis of pre-clinical Keratoconus Lynett Erita Masiwa; Vanessa Moodley;

Prevalence of refractive error within a Portuguese sample of optometric records Vera Lúcia Alves Carneiro; José Manuel González-Méijome;

Prevalence of refractive error in Portugal ¿ A systematic review and meta-analysis Vera Lúcia Alves Carneiro; José Manuel González-Méijome;