1 Unit for Aging Brain and Dementia, Department of Geriatric Medicine, Faculty of Medicine, School of Medicin, Dokuz Eylul University, Izmir, Turkey.
2 Department of Ophthalmology, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.
3 Department of Geriatric Medicine, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey.
4 Unit for Aging Brain and Dementia, Department of Geriatric Medicine, Faculty of Medicine, School of Medicin, Dokuz Eylul University, Izmir, Turkey. atisik@yahoo.com.