Eyewear Guide | Prescription Glasses, Lenses & Vision Help – Cinily
Eyewear Guide
Everything you need to know about prescription glasses, lenses, and eyewear at Cinily. Use the guides below to measure accurately, choose the right lenses, and order with confidence.
Prescription & Measurement
Make sure your prescription details and measurements are correct so your glasses feel comfortable and clear.
How to Measure Pupillary Distance (PD) at Home
Step-by-step PD measurement guide with tips to improve accuracy.
What information do I need to provide?
This page explains exactly what to prepare before placing an order on Cinily.co.uk
HOW TO ORDER LENES
A simple ordering checklist: frame → lenses → prescription → we assemble and ship.
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View all →Lens Guides
Understand lens types, coatings, and options so you can match the best lenses to your selected frames.
How to Choose Prescription Lenses
Compare lens types and choose based on your vision needs and lifestyle.
Anti Blue Light Lenses Explained
What blue light lenses do, who they’re for, and when to choose them.
How Do I Choose Lens Index (1.56 / 1.61 / 1.67)?
Lens index (refractive index) refers to how efficiently a lens material bends light. A higher index generally means a thinner lens for the same prescription.
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View all →Frame Guides
Find the right size and style so your frames fit well, look great, and work perfectly with prescription lenses.
Frame Size Guide
How to choose the right frame width, bridge, and temple length for comfort.
Best Glasses for Your Face Shape
Quick recommendations for round, ovaland square faces.
How to Choose Cycling Glasses
Cycling glasses for road riding, commuting and outdoor sports.
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View all →Policies & Support
Shipping, returns, and support resources to make your order smooth and worry-free.