National Academy of Opticianry

National Academy of Opticianry The National Academy of Opticianry (NAO) is an international organization committed to advancing optician education and professional development.

03/17/2026

Happy Tuesday, all! It's time for your weekly challenge! Comment with your answer, then check back tomorrow to see how you did! Have a great day!

What is an ocular condition that is a chronic autoimmune disorder with multi-system abnormalities and is characterized by mononuclear infiltration of the lacrimal and salivary glands called?
a. Diabetic retinopathy
b. Marfan syndrome
c. Sjogren's syndrome
d. Rheumatoid arthritis

03/12/2026

Good morning, Facebook friends! You did it again! The majority of you answered our question correctly. The index of refraction of the cornea is: 1.37. We will come out with a tough one next week!

In the meantime, have a wonderful day, and stay happy and safe!

03/10/2026

Good morning, optical pros! It's time for our weekly trivia! Comment with your answer, check back tomorrow to see how you did, and most importantly...have a great day!

The index of refraction of the cornea is:
a. 1.33
b. 1.37
c. 1.42
d. 2.42

03/04/2026

Happy Wednesday! We are extra happy today to report that we, once again, have the smartest group on the Internet! Everyone correctly answered "D. The aqueous humor" to our trivia question "The transparent medium responsible for maintaining intraocular pressure is what?" Congratulations to all, and we hope to see you again next week!

03/03/2026

Good morning, optical friends! We really enjoyed meeting so many of you at SECO - thank you for stopping by the booth! Now it is time for our weekly trivia. Comment with your answer, and check in tomorrow to see how you did!

The transparent medium responsible for maintaining intraocular pressure is:
a. the vitreous humor
b. the cornea
c. the crystalline lens
d. the aqueous humor

Excitement is building as SECO 2026 kicks off in Atlanta!
02/26/2026

Excitement is building as SECO 2026 kicks off in Atlanta!

02/25/2026

Good morning to our brilliant Facebook friends! Everyone got the answer correct to yesterday's Tuesday trivia: "What is the approximate index of refraction of a diamond if the speed of light through the diamond is 77,000 miles per second?" The correct answer was "b. 2.42" We hope you all play next week, and we hope to see many of you at SECO this weekend!

02/25/2026

Hello, Facebook friends! We hope those on the East coast of the U.S. are staying warm, and we hope everyone participates in today's Tuesday Doozy! Comment with your answer, then check back tomorrow to see how you did!

What is the approximate index of refraction of a diamond if the speed of light through the diamond is 77,000 miles per second?
a. 0.95
b. 2.42
c. 2.15
d. 1.86

02/17/2026

Good morning, Facebook friends! We hope many of you were able to enjoy a long weekend. It is time to jump back into the week, and our Tuesday trivia! Comment with your answer, and check back tomorrow to see how you did.

To qualify as safety eyewear, the following must be met:
a. polycarbonate lenses in a metal frame
b. 3mm lenses in a safety approved frame
c. 3mm lenses in a spring metal frame
d. lenses that pass the drop ball test

Did you know that the ophthalmic career progression program is accepted in the states listed below towards licensing req...
02/11/2026

Did you know that the ophthalmic career progression program is accepted in the states listed below towards licensing requirements?

https://www.nao.org/cpp/

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8401 Corporate Drive #605
Landover, MD
20875

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+18002294828

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