RO Free Form Family Usage Guide
Name | MFH | Far Distance Performance | Intermediate Distance Performance | Near Distance Performance | Wrap Capable | Uses |
---|---|---|---|---|---|---|
RO Digital & RO Digital Short | 18/15 | **** | *** | **** | No | Good introductory lens for first time Freeform wearers. Easy to adapt to. |
RO Versatile D | 14 | ****** | *** | **** | Yes | Good all-purpose progressive with superior distance vision. Can be used in Wrap frames. |
RO Versatile B | 14 | ***** | **** | ***** | Yes | Good for all users with a clear, wide distance area. Has the best balance between all visual fields. Can be used in Wrap frames. |
RO Versatile N | 14 | **** | *** | ***** | Yes | Good for general use and office work due to an extra wide reading area. Can be used in Wrap frames. |
RO Versatile XS | 10 | ***** | ** | ***** | No | Shortest corridor progressive available. Very little intermediate area. |
RO Achieve I | 18 | * | *** | ***** | No | Extremely wide near vision. Offers near vision and mid-range out to 50 inches. Ideal lens for desktop and computer use. |
RO Achieve II | 18 | * | *** | ***** | No | Extremely wide near vision. Offers near vision and mid range out to 6 feet. Ideal for reading, computer, drafting, graphic arts, etc. |
RO Achieve III | 18 | * | *** | ***** | No | Extremely wide near vision. Offers near vision and mid range out to 13 feet. Ideal for small office use allows wearer to see people in the room our to 12′ as well as their desk top and a computer. |
RO Explorer D | 21 | ***** | **** | * | Yes | Ideal lens for driving. Provides optimal vision for distance and intermediate distances. Excellent for wrap performance frames. |
RO Explorer S | 21 | **** | *** | * | Yes | Ideal lens for sporting applications that require good distance and optimal intermediate vision. Excellent for wrap performance frames. |
RO Versatile DS | N/A | ***** | N/A | N/A | Yes | A compensated lens that can be customized for vertex, pantoscopic angle, wrap angle. Excellent for higher prescriptions, especially those with a large amount of astigmatism. Can be used in Wrap frames. |
Materials and Power Ranges
MATERIAL | Refractive Index | Abbe No | Density (g/cm2) | TOTAL POWER(Diameter = 75mm) |
---|---|---|---|---|
1.50 | 1.50 | 58.2 | 1.32 | +7.00 to -7.00 |
1.5 Transitions VII® | 1.50 | 58.2 | 1.32 | +7.00 to -7.00 |
1.5 Transitions® XTRActiveTM | 1.50 | 58.2 | 1.32 | +7.00 to -7.00 |
1.5 Polarized | 1.50 | 58.2 | 1.32 | +7.00 to -7.00 |
1.53 Trivex® | 1.53 | 46 | 1.11 | +8.00 to -8.00 |
1.53 Trivex® Transitions VII® | 1.53 | 46 | 1.11 | +8.00 to -8.00 |
1.53 Trivex® Transitions® XTRActiveTM | 1.53 | 46 | 1.11 | +8.00 to -8.00 |
1.53 Trivex® Polarized | 1.53 | 46 | 1.11 | +8.00 to -8.00 |
1.56 PolyVexTM UV+420cutTM | 1.56 | 46 | 1.11 | +8.00 to -8.00 |
1.59 Polycarbonate | 1.59 | 31 | 1.20 | +8.00 to -8.00 |
1.59 Polycarbonate Transitions VII® | 1.59 | 31 | 1.20 | +8.00 to -8.00 |
1.59 Polycarbonate Transitions® XTRActiveTM | 1.59 | 31 | 1.20 | +8.00 to -8.00 |
1.59 Polycarbonate Polarized | 1.59 | 31 | 1.20 | +8.00 to -8.00 |
1.6 | 1.597 | 40.5 | 1.30 | +8.50 to -8.50 |
1.6 Transitions® VII | 1.597 | 40.5 | 1.30 | +8.50 to -8.50 |
1.6 Polarized | 1.597 | 40.5 | 1.30 | +8.50 to -8.50 |
1.61 Blue Light Lens | 1.597 | 40.5 | 1.30 | +8.50 to -8.50 |
1.67 | 1.668 | 31.4 | +9.50 to -9.00 | |
1.67 Transitions® VII | 1.668 | 31.4 | 1.67 | +9.50 to -9.00 |
1.67 Transitions XTRActive® | 1.668 | 31.4 | 1.67 | +9.50 to -9.00 |
1.67 Polarized | 1.668 | 31.4 | 1.67 | +9.50 to -9.00 |
1.67 UV+420cutTM | 1.668 | 31.4 | 1.67 | +9.50 to -9.00 |
1.74 | 1.737 | 32.5 | 1.47 | +10.00 to -10.00 |
1.74 Transitions® VII | 1.737 | 32.5 | 1.47 | +10.00 to -10.00 |
1.74 UV+420cutTM | 1.737 | 32.5 | 1.47 | +10.00 to -10.00 |