Glasgow Coma Scale (GCS)

The Glasgow Coma Scale provides a score in the range 3-15; patients with scores of 3-8 are usually said to be in a coma. The total score is the sum of the scores in three categories. For adults the scores are as follows: Eye Opening Response Spontaneous--open with blinking at baseline 4 points Opens to verbal command, speech, or shout 3 points Opens to pain, not applied to face 2 points None 1 point Verbal Response Oriented...

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CONTACT LENSES

Far back in the history of mankind, in 1508, Leonardo da Vinci described and drew the sketch to express his idea of a contact lens. But it was in 1827 that Sir John Hershel, an English astronomer astounded the world with his idea of making a mold of a human eye so that a lens could be made to fit perfectly. Sixty years later in 1887. F.A. Muller, a German glassblower used these ideas to create the world’s first known contact lens. Contact lenses are full contact optical accessories which rest...

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