Eye condition meant to focus parallels rays in front of retina. Objects are seen distinctly only from close.
Close vision only.
space between each lens to drop the glasses on.
Silicone pieces meant to hold the glasses and protect your nose from any damages. Usually used when the frame is made out of metal.
OD or Oculus Dexter:
Person who makes and/ or sells glasses with prescriptions. This person is not authorized to pass eye exams.
Someone in charge of examine people's eyes.
A doctor who treats eye diseases.
OS or oculus sinister:
Term used when talking about a pair of glasses that do not contain any curvature and any correction.
Lenses that contain a specific kind of chemical that reduces glare. Mostly used to protect the reflection when the sun is reflecting on the water.
Flexible chemical composite and very strong. Easy to use to make glasses.
Medical document, indicating the right correction.
Optical flat element that retracts the light.
Progressives or bifocal:
Lenses meant to get multiple visions within one glass. You can have a clear vision far or nearby.
Circular black area in the middle eye, where the light comes in.
The distance between both pupils of your eyes.
Glasses used only to see from very nearby, and to read.
Reaction that causes the light to bend when it's getting in the lenses.
Back area in the eye that receives the light and communicate directly the information to the brain.
Space from the bottom of the lens to the top of the bifocal lens.
Contrary to progressive lenses, the single vision lenses are used only to see from either far away or nearby.
Lens power prescribed to correct nearsightedness or farsightedness. Could be read as a positive or a negative.
Glasses used to protect from the sunlight and UV. Could contain prescription (to help you see better) or could also be plano (no prescription).
Long arms on the sides of the frame that extent from the hinge and over the ears to keep the glasses on the wearer's face.
Strong chemical material used to make the frames.
A mix of two colors that creates an effect of splattered spots.
Ultraviolet light (UV light):
Electromagnetic radiation that is usually produced by the sun. Can be dangerous for eyes when they're exposed for too long.
The ability of the organ to detect detail. Usually measured by reading letter from different sizes on a wall.
The complete area seen when the eye is facing forward.