One paddle for – lenses and one paddle for + lenses each one has those powers :
• +0.50D~+6.50D : 0.5D steps;
• +7.00D, +8.00D, +12.00D
RT-G1203 | Retinoscopy Paddles
Description
$7.95 off with any order of $100 or more before taxes. Use promo code "100"