1. 
   AAO
   Air to Air Override
   Found op http://www.tornado-data.com/siteinfo/glossary.htm
   
   
2. 
   AAO
   Alberta Association of Optometrists
   Found op http://www.encyclo.co.uk/local/20895
   
   
3. 
   AAO
   American Academy of Ophthalmology
   Found op http://www.encyclo.co.uk/local/20895
   
   
4. 
   AAO
   American Academy of Optometry
   Found op http://www.encyclo.co.uk/local/20895
   
   
5. 
   AAO
   American Association of Orthodontists
   Found op http://www.encyclo.co.uk/local/20895
   
   
6. 
   AAO
   American Academy of Osteopathy
   Found op http://www.encyclo.co.uk/local/20895
   
   
7. 
   AAO
   AAO: 1. Alert and oriented. 2. American Association of Ophthalmology, a professional organization. 3. American Academy of Otolaryngology, a professional organization. 4. American Association of Orthodontists, a professional organization. 5. Amino acid oxidase, an enzyme.
   Found op http://www.medterms.com/script/main/art.html?articlekey=2077
   
   
8. 
   AAO
   American Association of Orthodontists; American Academy of Ophthalmology; American Academy of Otolaryngology; American Academy of Osteopathy.
   Found op http://www.encyclo.co.uk/local/21001
   
   
9. 
   aao
   1) Abbreviation for anglo-australian observatory 2) Past
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/aao/1
   
   

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