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1. Online dictionary of over thousand general medical terms

2. Home Medical Information Manual--Second Home Edition

3. Diabetes Dictionary

4. Drag information for Some Common Prescription and Nonprescription Medicines

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How to understand your prescription
Drag code

Abbreviations meaning Latin
ac before meals Ante cibum
pc After meals Post cibum
hs At bad time Hora somni
q 2 h Every 2 hours Quaque 2 hora
qd Every day Quaque die
bid 2 times a day Bis in die
tid 3 times a day Ter in die
qid 4 times a day Quarter in die
prn As needed Pro re nata
gt drop gutta
od Right eye Oculus dexter
os Left eye Oculus sinister

The following information is from  from ‘Complete guide to Eyecare, Eyeglasses
 and contact lenses’   by Walter J. Zinn and Herbert Solomon. p79
A concave lens (for the nearsighted eye) is
written with a minus (- ) sign. If the prescription calls for a +2.00,
it's a 2 diopter lens for a farsighted eye, or it could be a 2
diopter reading lens for a presbyopic eye. A -2.50 is a 2 1/2
diopter lens for a nearsighted eye. The higher the number the
stronger the lens.
For an eye with astigmatism, the prescription might look like
         -2.50 -1.00 axis 45
This is 2 1/2 diopters of nearsightedness with 1 diopter of
astigmatism. The axis indicates the orientation of the cylindrical
 part of the lens. It's based on the degrees of a protractor-
180 is the horizontal, 90 the vertical meridians. The axis can
be anywhere from 1 to 180.
A bifocal prescription will have additional numbers to indi-
cate the strength of the reading part of the lens.
              +1.75 -0.25 axis 95
                 add +1.50
This is 1 3/4 diopters of farsightedness with 1/4 diopter
astigmatism and an additional 1 1/2 diopters of power for reaing.

Sometimes a prism effect has to be incorporated into the pr
scription to deviate the light rays in a desired way.
              -3.25 -0.75 axis 70 2^ IN
The little triangular figure designates a prism and in this case
the direction of the base is inward, though it could be out, up or
You need one more piece of information in order to read
your RX-knowing which numbers are for which eye. The right
eye is designated O.D. for the Latin oculus dexter; the left eye
is O.S. for oculus sinister. O.U. is oculus uterque, both eyes.
You may still not be thrilled about having to wear glasses,
but at least you now know what yon're wearing.

5. Allergy support information

6. Multilingual Translation Dictionary of popular medical terms

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7.Medical News Medical news and health news headlines posted throughout the day, every day
8. Medical degree abbreviations

  • MD   Medical Doctor degree.

  • CM  Master of Surgery (from Latin Chirurgiae Magister)

  • DDS   Doctor of Dental Surgery

  • FRCSC   Fellow of the Royal College of Surgeons of Canada. Surgical specialty certificate

  • FRCPC   Fellow of the Royal College of Physicians of Canada

  • DChO    Doctor of Ophthalmic Surgery

  • DCh   Doctor of Surgery [Lat. Doctor Chirurgiae]

  • DDS   Doctor of Dental Surgery.

  • DPM   Doctor of Podiatric Medicine.

  • Ph.D.  Doctor of Philosophy

  • O.M.D.  Oriental Medical Doctor

  • D.O.M.  Doctor of Oriental Medicine

  • L.Ac.  Licensed Acupuncturist

  • D.Ac.  Diplomat of Acupuncture

  • M.T.O.M.  Masters of Traditional Oriental Medicine

  • C.A.   Certified Acupuncturist

  • L.M.T.  Licensed Massage Technician

  • C.M.T.  Certified Massage Technician

  • Q.M.E.  Qualified Medical Examiner

  • C.O.  Certified Orthotist

  • MB ChB   Degrees of Bachelor of Medicine and Bachelor of Surgery (UK).

  • MA   medical advisor.

  • BC   Bachelor of Surgery (Lat.Baccalaureus Chirurgiae).

  • BCh   Bachelor of Surgery (Lat.Baccalaureus Chirurgiae).

  • BChD   Bachelor of Dental Surgery.

  • BChir   Bachelor of Surgery (Lat.Baccalaureus Chirurgiae).

  • BMA   British Medical Association.

  • DV&D   Diploma in Venereology and Dermatology.

  • CMA   Certified Medical Assistant.

  • COPA   Certified Orthotic and Prosthetic Advocates.

  • LPN   licensed practical nurse.

  • LCSW   licensed clinical social worker.

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