4th World Congress on Ophthalmology and Optometry  will be organized during June 14-15, 2022 Barcelona, Spain. 

Eye  is a therapeutic administrations calling stressed with the prosperity of the eyes and related structures, and moreover vision, visual systems, and vision information get ready in individuals. Basic research in Vision Science focuses on such educates as bioengineering, psychophysics, neurophysiology, visual neuroscience, nuclear and cell science, cell film normal science, biostatistics, apply independence, contact central focuses, spatial course, visual ailments, refractive headway, corneal surface mapping, infant vision, computational vision, and 3D PC illustrating.

The eye is an optical system comprising of a cornea and a lens. The crystalline lens of the eye changes its shape to focus light from objects over a great range of distances on the retina. The basic optic function of the eye is to form an image of whatever object being looked at on the retina. The focus length of this lens is adjustable by the muscles attached to it according to the distance of the object so that its image is always formed on the retina in normal situation.