This document discusses 10 common medical abbreviations related to the eyes and ears: 1. Otology is the study of the ear and deals with ear disorders. 2. OU means both eyes. 3. REM refers to rapid eye movement sleep when most dreaming occurs. 4. Hz is a measure of frequency named after Heinrich Hertz. 5. SMD stands for Strudwick syndrome, a genetic bone growth disorder causing vision and skeletal abnormalities.

1. Presentation 13
Venice Spears
Biology 120
CHAPTER 13H
Truman College

2. ABBREVIATIONS …..
Medical

3. #1. Oto…….
Otology is the study of the ear.
Ot/o (ear) -logy (study of )
Medical Abbreviations

4. Deals with disorders of the ear
such as;
• Hearing loss
• Congenital issues
• Infections
• Tumors
• Equilibrium problems
• Facial nerve disorders

5. Figure 1.1

7. Figure 1.2

8. Medical Abbreviations
continued……
 #2 OU…..
Latin term oculus uterque used by
health care professionals means both
eyes

9. Medical Abbreviations
Continued……
 #3 REM…..
Rapid eye movement sleep most
dreaming occurs at this stage of sleep.

10. Did you know?

11. Medical Abbreviations
Continued…..
 #4 Hz….
 Hertz of Hz is a measure of frequency
named after a German Physicist
Heinrich Hertz.

12. You do the math….

13. Medical Abbreviations
Continued….
 #5 SMD….
SMD is short for Strudwick syndrome
It is an inherited bone growth
disorder which causes visions
problems, height of stature shortness
and bone abnormalities.

14. Strudwick syndrome
Continued….
Symptoms include;
 Flat nose
 Delayed growth
 Short trunk and extremities
 Knock knees
 Lordosis
 Hernia
 Foot malformations
Just to name a few…

15. Strudwick syndrome
Continued…
Causes;
Has collective genetic birth defects by
a mutation in the COL2A1 GENE.
Responsible for making type ll
collagen.

16. Medical Abbreviations
Continued….
 #5 PERRLA
Abbreviation for pupils equal, round,
react to light, accommodation .
Examination includes evaluating the
shape and size of pupils, their reaction to
light rays and their capability of
accommodation.

17. Medical Abbreviations
Continued….
 #7 IOP…
Abbreviation for intraocular pressure.
It is the fluid pressure of the eye. Eye
care professional use tonometry(Test
used to measure pressure within the
eyes to determine this.

18. Tonometry Device…

19. Medical Abbreviations
Continued….
 #8 dB
Decibel (dB) is a unit of measurement
used to measure the intensity of a
loud by determining how loud it is
based on a scale.

20. Fun Facts….

21. Medical Abbreviations….
 #9 OD….
Latin term for oculus dexter for right eye.

22. Medical Abbreviations
Continued….
 #10 VF
Means visual field eye care specialists
conduct examinations to determine
this. The test is called the visual field
test, it can detect dysfunctions of the
central and peripheral vision.

23. Visual field(VF)Continued….
Dysfunctions of the visual field can be
caused by ;
 Tumors
 Neurological damage
 Stroke
 Glaucoma

24. Visual field(VF) Continued….
There are many tests to test these
conditions such as;
 Donder’s test
 Perimetry
 Amsler Test

25. Perimetry Test….