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What Is the Meaning of Cyl in Eye Prescription?

Name: What Is the Meaning of Cyl in Eye Prescription?
Uploaded: 2026-10-19T15:10:36+00:00
Duration: 8 min 25 s
Description: Cylinder (Cyl) – This Indicates the Amount of Lens Power for Astigmatism and Represents the Difference in the Greatest and Weakest Powers of the Eye, Usually Se

Maya Lin-Takahashi • Oct 19, 2026 • 6 min read

★ Key Takeaways

Cylinder (Cyl) – This Indicates the Amount of Lens Power for Astigmatism and Represents the Difference in the Greatest and Weakest Powers of the Eye, Usually Separated by 90 Degrees.

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Direct Answer • Key Takeaway

Cylinder (Cyl) – This Indicates the Amount of Lens Power for Astigmatism and Represents the Difference in the Greatest and Weakest Powers of the Eye, Usually Separated by 90 Degrees.

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Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.