Patient/User page Learn Eyewear Mechanics

Active Eyewear

The Non-Slip Eyewear



Why you should choose Beta-Simplicity Active Eyewear

ENGINEERED EYEGLASSES FRAME SYSTEM
The Temple Tip
High quality, high friction and soft elastomeric material
Addresses slippage issues or soreness to the ear faced by your patients, common with other glasses
Metal core covered by soft elastomeric material
Responsive bending of temple tip in all directions for a closer fit on your patients. Without the need for heating.
Mounting slot for Removable Nose Pad
Support mounted nose pad for greater durability
Unique metal core covering to secure anchor tip
Tested with oil to ensure that anchor tip does not slip out easily.
Dimensional Stability for prolong oil contact and washing in mild soap
Our elastomer does not swell from facial oil and washing with soap
The Body
Light, Strong and Flexible

To withstand the occasional accident

The right stiffness for a comfortable and secure grip from the side.

 

DUAL ACTION SUPPORT

 
Mechanical support
from behind

 
Friction grip
from side

 

Getting the PERFECT FIT
Force Distribution
It's all about uniform distribution of force to maximize holding force and minimize pressure points.
Behind the ears
Bend the temple tip such that it contours nicely round the back of the ears ensuring good contact as it curve down.
Correct fitting. Non-ideal fitting with gap at the bend.
Hugs head
Bend the temple tip such that it curves to the back of user's head
Correct fitting with temple tip curving inwards at the back of the head Non-ideal fitting with temple tip projecting straight from the back of the head.
Don't

Do not pull on the anchor tip loop

Do not jab elastomeric temple tip with your nails

Do not force over-size lens into the frame

EYEWEAR MECHANICS

Adjustment of the eyewear frame on the user is often based on the fitting triangle. These three contact points, namely, the nose bridge and the crest of both ears support the eyewear on the face.

Facing forward, the main force that keeps the eyewear in place is friction from the nosepad on the nose. When the friction from the nosepad is adequate, friction from the temple is not required...

Friction is the primary force that keeps your eyewear from slipping down under gravitational pull. Therefore, your eyewear will start to slide down when friction is unable to keep it in place.

In engineering, friction is the force from the applied force and the friction coefficient (µ) between the two materials in contact...

Effectiveness of high friction coefficient from nosepad and temple in supporting eyewear

Temple with good friction is essential to prevent your eyewear from slipping off when facing down. However, good nosepad friction is needed to arrest any minor slipping of the lens. This video shows how friction from the eyewear temple and nosepad helps to prevent the eyewear from slipping down or falling off.

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Effectiveness of high friction coefficient between nosepad and nose

Slipping eyewear is generally due to insufficient friction to hold it up. This video is a validation that a high friction material between the nose-pad and the model nose helps to prevent slipping eyewear but only when the eyewear is horizontal to the ground.

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Reduce Eyewear Sliding by increasing temple and contact surface friction coefficient

Friction is the primary force that keeps your eyewear from slipping down under gravitational pull. Therefore, your eyewear will start to slide down when friction is unable to keep it in place. This video shows how increasing the temple friction coefficient helps to reduce slipping of the eyewear.

View on YouTube


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