The latest study, released by the plaintiffs in a class-action lawsuit against Fitbit, found that the pulse-monitoring technology used in the company's wrist-bound Surge and Charge devices was highly inaccurate during elevated physical activity..
An eye disease affecting the macula (the center of the light-sensitive retina at the back of the eye), causing loss of central vision. Migraine with Aura: A type of severe headache accompanied by various visual symptoms. Myopia: See nearsightedness: Nearsightedness
is the hole in the center of the iris that lets light pass through. This small part of our retina is responsible for our highest visual acuity. It is the center of our central vision. A water like fluid, provides the cornea and lens with oxygen and nutrients.