Glasses Prescription Calculator

Understand and convert your eyeglass prescription with our comprehensive calculator

Right Eye (OD)

diopters
diopters
degrees

Left Eye (OS)

diopters
diopters
degrees

Additional Parameters

mm
diopters

Your Prescription Results

Right Eye (OD)
SPH: --
CYL: --
AXIS: --
Left Eye (OS)
SPH: --
CYL: --
AXIS: --
Additional Info
PD: -- mm
ADD: --
Type: --

Enter your prescription to assess your vision correction needs.

Prescription Analysis

Your detailed prescription analysis will appear here.

👁️ Common Vision Conditions

👓

Myopia (Nearsightedness)

Difficulty seeing distant objects clearly. Sphere values are negative (e.g., -3.50).

🔍

Hyperopia (Farsightedness)

Difficulty seeing close objects clearly. Sphere values are positive (e.g., +2.25).

Astigmatism

Blurred vision at all distances due to irregular cornea shape. Cylinder values are present.

📖

Presbyopia

Age-related difficulty focusing on near objects. Requires reading addition (ADD).

🔍 Lens Type Recommendations

Prescription Type Best For Pros Cons
Single Vision One vision distance (near or far) Simple, affordable, wide field of view Only corrects one distance
Bifocals Both distance and reading Clear vision at two distances Visible line, abrupt transition
Progressives Seamless distance to near No visible line, natural transition More expensive, adaptation period
Reading Glasses Presbyopia only Inexpensive, readily available Only for close work

✨ Lens Coating Benefits

🌈

Anti-Reflective

Reduces glare and reflections, improves night vision and appearance.

💙

Blue Light Filter

Reduces digital eye strain from screens and may improve sleep.

☀️

Photochromic

Darkens in sunlight, eliminates need for separate sunglasses.

🛡️

Scratch-Resistant

Protects lenses from everyday wear and tear.

💧

Hydrophobic

Repels water, oil, and dust for easier cleaning.

🔄

UV Protection

Blocks 100% of harmful UVA/UVB rays (standard on most lenses).

Dark Mode

Note: This calculator provides an estimate based on standard optical formulas. Always consult with a licensed optometrist or ophthalmologist for professional advice about your vision correction needs. Prescription requirements may vary based on individual eye health and specific visual needs.