Polak Kaija

Funk Marion, Karl David, Georgopoulos Michael, Benesch Thomas, Sacu Stefan, Polak Kaija et al.

This study found neovascular AMD eyes have high VEGF and low PDGF. Ranibizumab reduced VEGF, correlating with improved vision/anatomy and disease activity, highlighting its anti-VEGF mechanism.

Wimpissinger Barbara, Resch Hemma, Berisha Fatmire, Weigert Günther, Polak Kaija, Schmetterer Leopold

This study found chronic smokers exhibit abnormal choroidal blood flow regulation during isometric exercise, with CBF increasing at lower ocular perfusion pressures than in nonsmokers, suggesting impaired ocular vascular health.

Polak Kaija, Wimpissinger Barbara, Berisha Fatmire, Georgopoulos Michael, Schmetterer Leopold

Sildenafil increased retinal venous diameters and blood flow in healthy subjects, but didn't affect flicker-induced vasodilation or IOP. Its therapeutic use for retinal ischemic disease warrants further study.