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LENS TYPE MATERIAL
Trivex is type of lens material that offers impressive impact resistance and durability, a high abbe value (reduce chromatic aberration and minimize halos around light), excellent optical clarity, provide sharp and distortion free vision and light weight which makes them comfortable to wear, chemical resistance(acetone, isopropyl alcohol other chemicals).
Polycarbonate is a strong lens that is high impact resistance, scratch resistant, allows excellent light transmission, withstand high temperatures without melting of deforming. UV protection is also ‘built’ into the monomer of the lens and is weather resistant, has a high corona and insulation resistant property. Ideal lens material for many industries environment such as oil and gas, automotive, agriculture, aerospace, construction, manufacturing, medical, energy, government employee on the field or any type of industry where the safety of your eyes is a priority.
LENS OPTIONS
High definition: is an advanced lens made with digital technology which offer high clarity, a wider visual field without distortion, improves peripheral / night vision and address multiple high levels eyesight aberrations. High Definition lens are ideal people with medium to higher prescriptions, large amount of astigmatism & progressive users that provide larger and smoother adaptation in the reading area. For progressive wearers the reading channel will be wider and distance will be crisper than ever. This lens eliminates the head movement and distortion you might have had in the past. For single vision wearers, now you can get the wrap frame you always wanted. Safety Rx makes these high definition lenses for the astronauts at NASA. At a whole price sale, the saving will be huge. Sixty percent less than retail price in most cases.
SAFETY AND NON SAFETY EYEWEAR
Safety glasses are designed to protect eyes against the elements and hazards at work; Not limited to impact and flying particles (bits of metal, glass), sparks, chemicals, distorted lighting, etc. Safety glasses must have impact resistant lenses & frames and provide side protection. Ideal for working environment where eye protection is essential. Safety glasses hold up better under stress than regular glasses and if not impact resistant and/or does shatter, it breaks in a way that minimizes the chance of serious harm. Safety Rx can and will correct vision problems like nearsightedness, farsightedness and astigmatism which will allow the person to perform their job safer and better in a working environment, making them more Efficient and Effective on the job site. Safety glasses must be made by a certified optical laboratory like Safety Rx which manufacture and produce prescription safety lenses and non-prescription safety lenses and frames that have passed all the Hi Mass and Hi Impact testing requirements that are certified by the ANSI Z87-1 standards.
Prescription Glasses or Eyeglasses provide corrective vision problems like nearsightedness, farsightedness and astigmatism. Regular glasses are designed to improve vision but they don’t protect against hazards like chemical or flying debris like safety glasses with added side protection.
ANSI STANDARD is the guidelines and specification that help ensure the safety, quality and performance of products and services. The American National Standard Institute (ANSI) is a private non profit organization that develops and coordinates these standards.The newest ANSI Z87.1 standard in regards to prescription/occupational prescription glasses in summary/review states that optical laboratories must qualify for ‘High Impact”, “High Velocity” and “Hi Mass Impact”. This stipulates that lenses and frames are subject to these tests of not only drop ball testing but hi impact and hi mass tests that are tested at 151 fps (feet per second).Both the frame and lens are tested as full face entities. As defined in the manufacturing process.
Protecting Your Eyes at Work Eye Injuries in the workplace are very common. The National Institute for Occupational Safety and Health reports that every day about 2,000 U.S. workers sustain job-related eye injuries that require medical attention. However, safety experts and eye doctors believe the right eye protection can lessen the severity or even prevent 90 percent of these.
Workers experience eye injuries on the job for 2 major reasons:
- They were not wearing eye protection.
- They were wearing the wrong kind of protection on the job; This could include; lack of choices, not being comfortable, on-line ordering and the re-do’s that come along with that type of ordering, not being fitted and/or adjusted correctly, wrong measurements, etc. (Remember this is a medical device on your face, not just your average pair of glasses)
- Nearly 3 out of 5 were not wearing proper eye protection at the time of the accident. All accidents happen when you least expect them and therefore can be preventable. (A lot of workers indicated/reported that they did not believe eye protection was required in that area or situation)
TYPES OF PRESCRIPTION
Single vision is a type of eyeglass lens that corrects vision for mainly distance. This type of prescription can help you either see clearly up close or far away but not both at the same type.
Bifocal (One Line) is a type of eye lens that contains two different optical powers. The top of the lenses is for distance only while the bottom section if for up close vision, with a visible dividing line between the two zones.
Progressive or Multifocal (NO LINE) is a type of lens with a gradual increase in magnification from top to bottom. They correct both near and far sight and provide a smooth progression in your vision when you change from looking afar to something intermediary or up close. These lenses are designed without visible lines that mark the change of prescription.
Trifocal (THREE LINES) is a type of lens that has three distinct sections with three visible lines to correct vision near (top lens), intermediate (mid-section lens) which is about arm length and far distance(bottom of lens). Unlike bifocals, trifocal lenses provide clear vision at intermediate distance. They are mainly used by people with advanced presbyopia who need help with reading or computer work.
TYPE OF LENSES WITH COLOR or UV ACTIVATION COLOR
Transition or Photocromatic are lenses that automatically darken when exposed to direct sunlight or UV rays and return to a clear color indoors. They are designed to reduce glare and protect the eyes from bright light. They offer the benefits of NON polarized sunglasses in one lens.
Colors available: See different Transition colors and/or QR code
Polarized Transition. are lenses that when exposed to UV light or outdoors automatically darken with up to 90% polarization efficiency and when indoors the lenses return to clear with a hint of tint in a couple of minutes. This lens offer visual comfort for light sensitive people, the benefits of polarized sunglasses in one lens, provide a larger field of view and vivid colors, reduce glare and protect eye from UV light . Can also darken in overcast. They offer the benefits of polarized sunglasses in one lens.
Polarized Gradient type of polarized lens that has a gradient tint meaning the tint is darker at the top and lighter at the bottom. They automatically darken(gradient) when exposed to sunlight or UV rays and return to a clear color indoors. Help reduce the glare They offer the benefits of polarized gradient sunglasses in one lens. Colors available.
Polarized is a special dark lens that reduce the glare and eyestrain and improve the vision and safety in sun and make details more clear. Ideal for outdoor activities, sport driving etc. It also comes in polarized gradient option which is darker on the top and lighter at the bottom.
Clear is a type of lens with no color or colorless.
Tint is a type of lenses that has a colored coating applied to it which reduces the amount of light entering the eye and protect from UV light. It also come in 3 different levels of tint tensity (light, medium & dark; #1, #2 ).
COATINGS
Crystal Anti-Reflection or Antiglare is type of coating that protects against external and internal light sources, diffuses the rays that enter the lenses. This coating protects and reduces glare from sunlight, car lights, ceiling lights, cameras and help reduce eye strain & helps in preventing headaches. Ant-Glare coating make nearly invisible all the reflection on the lenses so people can better see your eyes consequently you will not be distracted by light reflecting on your lenses since it reduces the light, it will reduce the eye strain and will be easier to see small pattern and letters, reduce halo light while driving. Anti-Reflective coating will be very useful on all prescriptions which tend to reflect more light than other type of lenses. It is definitely worth it. Your eyes will Thank You for seeing everything clearer with reduced glare and eye strain.
Permanent Antifog helps keep your lenses clear in hot /cold weather conditions, help combat heat and cloudiness out of the lenses and will enhance vision and visibility, keeping away the annoying prescription lenses that use to fog. Examples when your breathing through a face mask, going in and out from cold to hot environment, a hot mass of air will cover your glasses making your lenses foggy or cloudy and impossible to see.
Going from hot to cold and cold to hot environments can and will cause fogging issues. From inside the A/C of your car, to the heat outside, cold manufacturing, cold storage (i.e. food, chemicals, etc.)
Having Antifog coating will avoid these issue and give you a clear vision. We highly recommend Anti Fog coating for any type industry where the safety of your eyes is number one priority.
Super Tough Thermally Cured Scratch Coating is a special protective layer on the surface of the lenses which makes them more resistant to scratches and damage from every day wear and tear. It helps to extend the lifespan of your lenses by minimizing the likelihood of visible scratching appearing on them. This coating is a preventative but solve all from scratches.
Blue Light Filter / Protection is a coating to deviate the blue light coming from digital screens such as computers, cell phones from entering your eyes, reduces side effects from long term digital uses (reduces headaches, eye fatigue, eye health issues, harder to see other types of light), keeps your eye energize at work, slow age of blurred vision, help overcome computer vision syndrome which is a condition resulting from focusing the eyes on the computer, cellphones or any digital devices for long periods of time and the eyes muscle being unable to recover from the constant tension required to maintain focus on a close object(s).
Oleophobic is a thin film that creates an oil resistant and finger resistant surface on the lenses
Hydrophobic is a special coding that repels water, meaning it prevent droplets from sticking to the surface making lenses easier to clean and improving visibility. Anti-Static
UNDERSTADING MY EYE DOCTORS PRESCRIPTION
OD right eye
OS left eye
SPH sphere which is the lens power needed to correct your vision. A negative number means nearsighted, a positive number means farsightedness. The larger the number regardless the sign the stronger the prescription.
Cyl (cylinder) number indicates the correction needed for astigmatism
Axis if presence with cylinder value, this number specifies the orientation of the astigmatism
ADD is the magnification number that indicates your reading prescription.
PD is a pupillary distance which is measured in millimeters between the center of your eye pupil. It is crucial for correctly positioning the optical centers of your glass lenses to ensure optimal vision. May appear as a single number (E.G. 64mm) or two dual number (E.G. 32/33)
UNDERSTADING YOUR FRAME SIZE
If you already wear glasses, you will be able to find the measurements of your glasses on the inside of the frame arm or sometimes on the side of the nose pad. All measurements are in millimeters (mm).
The numbers, i.e. 49◻22 150 indicate the followings:
- 49 is the Lens width. Usually a 2-digit number in the 40-62mm range.
- 22 is the Bridge width, the distance between lenses. Usually, it’s a 2 digit number in the 14-24mm range.
- 150 is Arm length. Usually a 3 digit number in the 110-150mm range
