Individuals with myopia, or nearsightedness, have difficulty seeing objects clearly from a distance because their corneas are usually slightly longer than normal from front to back. This common condition is often genetic, but studies also link the recent surge in cases to the increased use of handheld electronic devices.³

Without treatment, individuals can experience eyestrain and headaches, or face more serious future risks, such as retinal detachment, glaucoma, macular degeneration, and blindness.^{gate io}