A professional-grade set of Jackson cross cylinder flippers for binocular vision confirmation testing and precise cylindrical refraction. The set includes both ±0.25 and ±0.50 flippers, covering the two most commonly used powers for assessing and refining astigmatic corrections during subjective refraction. Supplied in a hard protective case to keep the lenses safe and secure between uses.

Key Features:

• Set of two Jackson cross cylinder flippers
• Powers: ±0.25 and ±0.50
• Used for binocular vision confirmation and cylindrical axis/power refinement
• Supplied with hard protective case