You've probably heard about the harmful effects of blue light emitted by electronic screens, leading to eye strain and the need for glasses. Let's delve into what blue light is, how it impacts health, and whether preventive measures are necessary. Understanding Blue Light: Blue light falls within the visible spectrum, ranging from violet to red, with blue having shorter wavelengths, similar to UV rays. Sources include sunlight, fluorescent bulbs, and LED devices like computers, phones, and TVs. Effects on Eye…