The grading of optometry is as follows:

I/ senior technician

II/Technician

Level 3/Advanced Skills

Level 4/Intermediate Skills

Level 5/Basic Skills

Grade one and grade two are real optometrists, followed by the word technician, grade three, four and five are optometrists, followed by the word skill.

You can also ask for a certificate to show you. The style is like this:

References:

Qian, a national first-class optometrist, is one of the four optometrists in Anhui Province.