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general 2
| Question | Answer |
|---|---|
| Looking below the optical center of a minus lens will create what base of prism? | Base Up |
| What muscle contracts the pupil? | Spinchter |
| What was founded in 1922? | The American Academy of Optometry |
| How can the effective power of an ophthalmic lens be changed after it is made? | Changing the vertex distance |
| Determine the image jump for the following Rx in a FT28 -4.00-1.00x90 -5.00-2.00x180 Add +2.00 | 1 Prism Diopter |
| A black surface will: | Absorb all light |
| What adjustment do you make to increase pantoscopic tilt? | Angle the temples downward |
| If a lens has a +4.00 front curve and a -6.00 back curve, what is the power of the lens? | -2.00 |
| What bridge type of a metal frame is designed for flatter, less prominent noses? | Adjustable nose-pad |
| What is the specific gravity for polycarbonate? | 1.20 |
| What is the index of refraction for crown glass? | 1.52 |
| What instrument do opticians commonly use to measure vertex distance? | Distometer |
| How can a frame be measured: | Using the datum system |
| Eso- means | In |
| Which medication can increase the damage caused by UV radiation? | Sulfonamides |
| A farsighted patient wears her glasses at the tip of her nose will result in: | Base down prism effect |
| What does the suffix -opia mean? | Visual condition |
| What do you need to keep in mind when using carbon fiber frames? | Use significant heat for lens insertion |
| What wavelength is most pleasing to the eye? | 400-750 nanometers |
| Which direction is slab off ground? | Up |
| How many inches is approximately 1 meter? | 40 |
| Who adopted the use of glass discs for the eyes? | The guild of glass blowers in Venice, Italy |
| Photochromic lenses contain an ingredient that darkens when exposed to? | UV light |
| Conventional slab-off is applied to which lens? | Most minus/least plus |
| What portion of the radiant energy spectrum is the eye most receptive to? | Components of white light |
| What early type of eyewear was used by indigenous people? | Goggles |
| Approximately how strong is the crystalline lens? | 20 diopters |
| In the boxing system, what measurement corresponds with the vertical measurement? | B |
| Which direction of prism compound? | In and In |
| What can be a monocular deficiency? | Simple Myopic Astigmatism |
| Which lens would you order conventional slab-off? | Most minus |
| What is the axis tolerance for a cylinder of 0.25 D? | 14 |
| What structure regulates the amount of light entering the eye by changing the size of the pupil? | Iris |
| Which agency sets standards for sports related products? | ASTM |
Created by:
Joaniewhite