Ojo bastones humano cuerpo conos electron microscopic ciliary scanning retina pupila mirada tension cristalino acuoso elmundo procesos ciliares Iris of the human eye as seen through an electronic microscope Microscope diaphragm iris function condenser quora
Iris Diagram Microscope
Iris diaphragm microscope function The microscope’s iris diaphragm: what it does and how it works