Licenced Opticians Blog
Double “D” lenses are specialized lenses divided into three segments. The upper lens is for intermediate distances, the lower lens is for reading with the rest of the lens for distance. Useful for pilots, trades people and handymen over 40 years old who are struggling to see what they are doing.
These super light glasses weigh only 14 grams with prescription lenses! Hans Stepper created the ‘design from the bridge’ frame concept in 1970 for remarkable fit and comfort. Frames with an energy and vibrancy that brings a personality as distinct and exciting as their exceptional fit.
This bridge on this frame is too wide causing the weight of the glasses to be concentrated on the top of the nose where 70% of the weight of the glasses rests. This would cause fitting problems and most likely result in a sore spot on top of the nose.
The frame has been heated and the bridge narrowed to allow the weight of the frame to be distributed evenly on both sides of the nose. This adjustment allows a larger choice in frame styles, in this case a budget frame for a seniors budget.
The first time I saw one of these was back in 1968 when I had a summer job doing the local delivery’s for what was Hudson Optical. Above is a Vintage 1960’s aluminum ladies rimless clip mount frame. The customer requested progressive lenses to be installed which was done to perfection with the aid of our optical drill machine.
Customer requested a clip on that would reduce the nightime glare from oncoming headlights. We used a 60% bright yellow tint in lightweight polycarbonate lenses with antirefective coatings to produce the desired effect with excellent results.
An inexpensive old school solution to a problem of double vision while reading because of the difference in prescription between the two eyes. Using dissimilar bifocals to neutralize vertical prism was gleaned from a case study in the 1981 B.C. Guild of Opticians Certification Course.
At the February 2023 AGM of the Downtown Surrey Business Improvement Association Whalley Optical Centre Ltd. was recognized as one of the communities oldest business while serving the community for over 40 years.
Lutz spends part of every day processing extended health claims for our customers to save them time and money.
Aspheric Lenticular lenses are used when the prescription is so strong that the lenses cannot be made large enough to fill the frame due to the strength of the prescription.
Plastic frames sometimes become oxidized if the wearer has an acidic skin type. This oxidation can be removed by polishing the frame in store.
An oxidized plastic frame
Oxidized plastic frame after polishing
This is a trial frame setup which can be used to demonstrate your new prescription before the actual glasses are produced.
This picture shows the frames original lens shape and the modified lens shape. The lenses were made 3 mm deeper to maximize the reading area on progressive lenses on a customer with a high fitting bridge.
The final verification on the customer with the factory lens markings still on the lenses. This picture shows a perfect fit height for progressive lenses with the full sweet spot for reading now available
High power lenses are nothing unusual here. These lenses were installed into the pediatric frame in our finishing lab.
This gentleman came into the store with glasses purchased elsewear that were sliding down his nose. We discovered that the temples were too long and had not been adjusted.
The temples covers were removed, the wire underneath shortened and the temple covers were reinstalled. The temples tips can now be be adjusted properly so the glasses stay in place comfortably.
Progressive lenses from a broken frame were resized by hand to fit a new frame
