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
The retina is a structure at the back of the eye which is important for sight. When two layers of the retina become separated, it is known as retinal detachment (RD). It is a very serious eye condition and can cause severe visual impairment if it is not treated promptly.