The cornea must have ample thickness making sure that it may be reshaped to appropriate the refractive mistake. Excimer lasers develop a cool ultraviolet light-weight beam to remove ("ablate") microscopic quantities of tissue within the cornea to reshape it so light-weight entering the attention focuses additional accurately within the retina https://myeasybookmarks.com/story5680108/the-ultimate-guide-to-lasik-eye-surgery