|TeleVue.com: Eyepiece Accessories > DIOPTRX™ > How to Choose|
Your prescription may look like this, with different numbers.
Simply choose DIOPTRX™ to match the cylinder (astigmatism) value of your preferred viewing eye. In the example above, you would choose 0.5 diopter model for your right eye and 1.5 diopter model for your left eye.
- Ignore spherical and axis values.
- Ignore all ± signs.
Maximum pupil size decreases with age and this decrease the visibility of astigmatism. Consult the following charts.
|Plössl||55, 40, 32mm|
|Panoptic||41, 35, 27, 24*, 19mm* (*requires DEA-0001 adapter)|
|Nagler Type 4||22, 17, 12mm|
|Nagler Type 5||31, 26, 20mm* (*requires DEA-0001 adapter)|
|Nagler Type 6||all* (*requires DNA-6000 adapter)|