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 gaze is into the camera, so in each picture the macula is in the center of the image, and the optic disk is located towards the nose. The macula or macula lutea (from Latin macula, spot + lutea, yellow) is an oval-shaped pigmented area near the center of the retina of the human eye.