Lenskart | Online Retailer of Eyeglasses and Sunglasses

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Know

your

EYEGLASSES

Buying eyeglasses can be a daunting task especially when you have a wide variety of shapes, designs and discounts available around you to lure the eyes. Whereas a wrong size, wrong fit or a wrong frame can leave you with a sour experience. But don’t worry! This comprehensive guide will ensure you end up with ‘nothing but the perfect’ pair for your eyes.

Let us first know about an eyeglass frame in depth.

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FRAME
COMPONENTS

Knowing your frame specifications is very important. Any eyeglass frame consists of 3 major parts in its construction namely frame front, temples and lenses. Some other components of an eyeglass are rim, nose-bridge, nose pads, hinges and temple tips.

FRAME FRONT

Also known as chassis or the base, a frame front is the largest part of an eyewear. It is made with different materials and combinations like Acetate, TR 90, Titanium, Wood, Nylon etc.

LENSES

Lenses are usually made with glass, plastic, or polycarbonate and are fitted into the frame. These may come with coatings like the anti-reflective coating to reduce eye strain or prevent Sun-glare.

TEMPLES

Temples are the long arms attached to the frame with hinges/screws, usually with a little bent at the tips to fit well behind the ears. The frame size is commonly mentioned on the temple insides.

FRAME SIZES

Eyeglass frames are broadly divided into 3 size categories- Small, Medium & Large. To determine what fits you, either keep your prescriptions handy or look on the insides your old frame temples for the exact numeric size specifications.

Frame size is a combination of numeric values usually represented in sets e.g. 53-18-140 known as the eye size, bridge size & temple size respectively.

EYE SIZE

Horizontal width of frame’s lens measured in millimeters.
Range 40-62

BRIDGE SIZE

Distance between two lenses measured in millimeters.
Range 14-24

TEMPLE SIZE

Length of the entire single temple
Range 120-150

EYEGLASSES LENS WIDTH

SMALL

50mm & below

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MEDIUM

51mm to 54mm

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LARGE

55mm & above

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FRAME & FACE SHAPES

Even with uncountable designs and styles out there, there are only a few chosen ones which complement our look every day.
Your face shape plays a very important role to determine which frame would look the best on you and match your personal
style statement.

ROUND

Round chin, wide cheeks

WAYFARER

CAT-EYE

RECTANGLE

SQUARE

Strong jawline

CAT-EYE

ROUND

OVAL

AVIATOR

OVAL

Symmetrical, defined cheekbones

WAYFARER

CAT-EYE

OVAL

AVIATOR

HEART

pointed chin, tapered face

CAT-EYE

ROUND

DIAMOND

Narrow forehead, pointed jawline

RECTANGLE

OVAL

CLUBMASTER

FRAME MATERIAL

Frame material is very important while choosing a frame. Below are some of the widely used frame materials:

ACETATE

Lightweight
Flexibility
Durability
Style Quotient

TR90

Lightweight
Flexibility
Durability
Style Quotient

STAINLESS STEEL

Lightweight
Flexibility
Durability
Style Quotient

TITANIUM

Lightweight
Flexibility
Durability
Style Quotient

WOOD

Lightweight
Flexibility
Durability
Style Quotient

To know about more frame materials at length, click

LENS COATING

Why do we need lens coating?

Lens Coatings help to enhance the quality and performance of your lenses.
There are several types of coatings which can be applied to impart effective, long-life to your lenses.
Some of the most popular ones are -

SCRATCH
RESISTANT

No eyeglass lenses, not even glass lenses, are scratch-proof. However, lenses that are treated front and back with a clear, scratch-resistant coating have a much harder surface that is more resistant to scratching, whether from dropping your glasses on the floor or occasionally cleaning them with a paper towel.

LENS TYPE

Lenses are often treated with special coatings or technology to protect your eyes from harmful glare and eye-strains.
The technology helps to provide better visual acuity all throughout your eyewear journey. Some of the types are:

ANTI-GLARE OR
ANTI-REFLECTIVE

Also called AR Coating
Eliminates reflections of light
Improves vision

VIEW RANGE

UV PROTECTION

Filters out 100% of UVA and UVB light
Blocks all light rays up to 400 nm
Provides optimum protection to eyes

VIEW RANGE

BLUE CUT

Reflects blue light
Reduces strain on the eyes
Imparts more clarity in vision

VIEW RANGE

HYDROPHOBIC
ANTI-GLARE LENSES

Additional coating to repel water
Exhibits anti-glare properties
Easier to clean

VIEW RANGE

PRESCRIPTION TYPE

It is important to find the right prescription type for your eyes before you buy eyeglasses. Find out if
you need single vision lenses, bifocals or progressives from the chart below:

SINGLE VISION

FIELDS OF VISION ONE
VISION RANGE NEAR OR DISTANT
VISIBLE DISTINCTION NO VISIBLE DISTINCTION
CORRECTION CORRECTS MYOPIA,
HYPERMETROPIA &
ASTIGMATISM

BIFOCAL

FIELDS OF VISION TWO
VISION RANGE NEAR AND DISTANT
VISIBLE DISTINCTION SINGLE VISIBLE LINE
CORRECTION CORRECTS PRESBYOPIA

PROGRESSIVE

FIELDS OF VISION THREE
VISION RANGE NEAR, DISTANT &
INTERMEDIATE
VISIBLE DISTINCTION NO VISIBLE DISTINCTION
CORRECTION CORRECTS PRESBYOPIA
NEAR
OR
DISTANT
SINGLE VISION
DISTANT


NEAR
BIFOCAL
DISTANT


NEAR
PROGRESSIVE

EYE & EYEWEAR CARE

EYE CARE

Maintain a good diet by including leafy vegetable, fruits, fish and nuts in your daily diet.

Try taking breaks from the screen time every 20 minutes for 20 seconds by looking 20 feet away. This is popularly known as the 20-20-20 rule.

Avoid smoking. It makes you more prone to cataracts and macular degeneration and can even damage your optic nerves.

Use safety eyewear or protective goggles especially when you indulge in sports like skiing, swimming, cycling etc.

EYEWEAR CARE

Follow certain tips below to help your eyeglasses last longer:

To start cleaning, rinse your glasses with lukewarm water. Dry them gently & always use a microfiber cloth to clean your glasses. Never resort to tissues/napkins/other clothing to wipe your lenses. The harsh texture of these can leave scratches on the lens and remove the protective coatings.

Do not use chemicals or soaps that are scented or contain dyes to clean your glasses either. Always use a protective lens spray like Aqualens Lens Cleaner by Lenskart. It is specifically designed for cleaning regular smudges, dust and facial oils from eyeglasses. This will not only preserve the shine of the frame, but will also help to increase the shelf life of the spectacles.

Do not store glasses in your pockets or backpacks. If you are not wearing them, keep them in a Hard Case or safe place like on an Eyewear Stand. Leaving your glasses unattended openly can cause dust to form a residue on the sides of the frame which can even enter the eyes and impede clarity.

Avoid placing your glasses on top of your head. Also, use two hands to take your glasses on and off. This will prevent them from getting loose over time. Just in case they do, use a handy Screw Driver to keep them as good as new!