Eye movement refers to the voluntary and involuntary movements of the eyes that assist with obtaining, fixating and following visual stimuli. The eyes are each connected to a system of six muscles. Light is sensed by the retina, which is a type of tissue that contains cells known as photoreceptors. These

An eye occlusion is a blockage in one of the arteries or veins supplying blood to the retina and/or optic nerve. These blockages can cause severe and sudden vision loss. Contact your eye care professional immediately if you experience sudden vision loss, and follow up right away with your family doctor.

Eye pain is not normal and should always be checked by your eye care professional. It is especially urgent if the pain comes with any of the following symptoms: The pain is intense and sudden. Your eye is injured or is being irritated by a foreign object. The pain comes with sensitivity to light or

Visual perception refers to a set of skills used to collect and interpret visual information taken in from our environment. The visual information gathered is combined with our other senses, allowing us to derive meaning from what we see. Through the process of merging visual data with our other senses,

Do you wish your eyelids would stop twitching? These tips may help.

Few eye issues are as simultaneously subtle and annoying as a twitch that comes on suddenly and/or recurs frequently. A twitching eyelid may not appear visible to the people around you at all, but it can make you feel highly self-conscious and drive you to search for the cause and the cure. Unfortunately,

In the summer of 2013, news spread quickly about a dangerous new trend, called "worming" or oculolinctus, and a serious outbreak of disease among Japanese youth. Upon further investigation, many news sources retracted or amended previously published stories, saying the stories of a sudden increase in

Do you know how astigmatism can affect your vision?