Mindblown: a blog about philosophy.

Having the characteristics of glass. Relating to the vitreous humour of the eye. The vitreous humor is a clear gel-like substance that occupies the posterior portion of the eye.  

The yolk of an egg.  

A lack of necessary vitamins.  

The most important organs in the body, without which a human being cannot live, e.g. the heart, lungs and brain.  

A group of nerve cells in the brain which govern a particular function of the body such as the five senses. Groups of neurons, usually sited in the hypothalamus and the brain stem, that are the control centres for various essential body functions. Examples are: blood pressure, breathing, heart rate and temperature control. The centres…

Important or necessary for life.  

A person whose eyesight is not clear.  

Having difficulty in seeing because of an eye condition.  

A technique in which an image of an internal organ or other part of the body is produced by using X-rays or other means such as magnetic resonance imaging. A technique in which someone creates a strongly positive mental picture of something such as the way in which they would like to solve a problem,…

The area which can be seen without moving the eye. Area in front of the eye, in which an object can be seen without moving the eye. The total area a person can see when looking straight ahead. A normal visual field is 180 degrees, or a half-circle. The visual field is measured in a…