National Natural Science Foundation of China(91420203,61605008,61905014,51735002)。
A remarkable feature of Alvarez lenses is that a wide focal length tuning range can be achieved using lateral displacement rather than commonly used axial translation,thus,reducing the overall length of varifocal imag...
AIM:To quantify the area and density of retinal vascularity by ultra-widefield fluorescein angiography(UWFA).METHODS:In a retrospective study,UWFA images were obtained using an ultra-widefield imaging device in 42 nor...