How to measure eye sight

How to measure eye sight with these five key points. VISUAL ACUITY : Visual acuity is the ability to see clearly and distinguish fine details. Snellen chart measures the visual acuity. It is a standardized chart that contains letters of different sizes. Viewing a chart from a specific distance usually 20 feet. The smallest line … Read more

Functions of a Liver

The liver is a vital organ located in the upper right quadrant of the abdomen. It has a wide range of functions that are essential for maintaining the overall health of an individual. Some of the most important functions of the liver include filtering toxins from the blood, producing bile to aid in the digestion … Read more