Understanding Prescription Lenses
Everything you need to know about eyeglass prescriptions, lens types, and coatings — explained simply.
1. What Is a Prescription?
An eyeglass prescription is a written order from your eye doctor that specifies the lens powers needed to correct your vision. It is based on your eye test (refraction test) and tells the optician exactly what lenses to fit into your frames.
Prescriptions are valid for 1–2 years. If your vision has changed, you should get a new eye test before ordering new glasses.
2. Reading Your Prescription
Indicates the amount of lens power needed to correct near or far-sightedness. Negative (−) = short-sighted, Positive (+) = long-sighted.
Indicates the amount of lens power for astigmatism (blurring caused by irregular eye shape). Always negative in most prescriptions.
A number from 1–180 degrees indicating the orientation of astigmatism. Only present if CYL is not zero.
Extra magnifying power for reading, used in bifocal and progressive lenses. Typically for patients over 40.
The distance in millimeters between the centers of your pupils. Critical for centering lenses correctly in your frames. Can be a single value (e.g. 64) or split into right and left (e.g. R:32 / L:32).
3. Single Vision vs Bifocal vs Progressive
Single Vision
One focal point — corrects either distance or near vision. Most common type. Suitable for most age groups.
Bifocal
Two focal zones — upper half for distance, lower half for reading. A visible line separates the zones. Affordable option for reading correction.
Progressive
No visible line — seamlessly transitions from distance to intermediate to near vision. Most natural-looking option for multifocal correction.
4. Lens Coatings Guide
A scratch-resistant coating applied to lens surfaces. Ideal for everyday use where durability matters most.
Reduces reflections from screens, lights and oncoming headlights. Improves visual clarity and reduces eye fatigue.
Blocks harmful blue light emitted by digital screens. Recommended for those who spend long hours on computers or phones.
Lenses that automatically darken in sunlight and return to clear indoors. No need to switch between glasses and sunglasses.
Water and oil-repellent coating that keeps lenses clean longer. Smudges and water droplets wipe off easily.
Specialized coating for night driving. Reduces glare from oncoming headlights and improves contrast in low-light conditions.
Eliminates horizontal glare from reflective surfaces like water and roads. Available for single vision sunglasses only.
5. Our Lens Pricing
Prices shown are base prices. Single vision prices vary by prescription power (tier).
* Final prices depend on your prescription power. Our team will confirm exact pricing via WhatsApp if your prescription falls outside standard ranges.