Briefly, ophthalmological examination included the measurement of visual acuity and refraction with a Humphrey Automated refractor/Keratometer (HARK) 599, intraocular pressure measurement with a noncontact tonometer, (NT 2000, Nidek Co./Japan), biometry (Lenstar LS900, Haag-Streit, Bern, Switzerland), non-mydriatic fundus photography, and imaging of the macula via SD-OCT (Spectralis-OCT; Heidelberg Engineering, Heidelberg, Germany).34 (link)