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1 - ptosis - definition of ptosis by medical dictionary

Ptosis is the term used for a drooping upper eyelid. Ptosis, also called blepharoptosis, can affect one or both eyes. Description. The eyelids serve to protect and ...
http://medical-dictionary.thefreedictionary.com/ptosis

2 - ptosis - definition of ptosis by medical dictionary

Abnormal lowering or drooping of an organ or a part, especially a drooping of the upper eyelid caused by muscle weakness or paralysis.
http://medical-dictionary.thefreedictionary.com/ptosis

3 - ptosis - definition of ptosis by the free dictionary

Ptosis /?to?s?s/ (from Greek Ptosis "Blepharoptosis" or ??????, to "fall") is a ... Ptosis is derived from the Greek word (??????) ?fall,? and is defined as the ...
http://www.thefreedictionary.com/ptosis

4 - ptosis - definition of ptosis by the free dictionary

Define ptosis: a sagging or prolapse of an organ or part especially : a drooping of the upper eyelid?usage, synonyms, more.
http://www.thefreedictionary.com/ptosis

5 - ptosis | definition of ptosis by merriam-webster

Ophthal Plast Reconstr Surg. 1989;5(3):171-5. The measurement and definition of ptosis. Small RG(1), Sabates NR, Burrows D. Author information: (1)University  ...
http://www.merriam-webster.com/dictionary/ptosis

6 - ptosis | definition of ptosis by merriam-webster

Eyelid drooping is excess sagging of the upper eylid. The edge of the upper eyelid may be lower than it should be (ptosis) or there may be excess baggy skin in ...
http://www.merriam-webster.com/dictionary/ptosis