Once you decide to use contact lenses to correct your vision, you will have to add some new habits and precautions to your lifestyle. That being said, most wearers of contacts find that the brief time it takes to care...
What is an Ophthalmologist? An ophthalmologist is a medical doctor who specializes in eye health and eye diseases. After graduating from university and medical school, an ophthalmologist spends three more years learning about the diseases and surgeries of the eye....
ACCOMMODATION: The ability to change focus. ACUITY: Clarity of vision expressed as a fraction, such as 20/150. The smaller the denominator, the better the acuity. Far acuity is usually measured at 20 feet and near acuity at 14 inches. Normal...
What is the human eye? The human eye is an approximately spherical bag of living cells 2.5cm across, filled with transparent jelly and a pressurized liquid that keeps it inflated like a balloon. At the front of the eye is...
What are the advantages of soft contact lens? Good initial comfort Ease of adaptation. Natural facial expression and head posture. Long wearing times. Low incidence of oedema. Rare occurrence of overwear syndrome. Absence of spectacle blur. Maintenance of corneal sensitivity....
All contact lens solutions are produced according to general principles of formulation and good manufacturing practice. See below, a basic guide and description of the various buffers preservatives that can be used for contact lens solution in Europe and North...
How our vision changes over time as we age When we're children, most of us see well enough on our own without needing glasses. But, by the time we reach our forties, that's no longer the case and many of...
The short answer is that blepharitis is an inflammation of the eyelids. Have you ever looked into the mirror and noticed that your eyelashes had crust or flakes in them - especially near the bottom - where they grow out...
The top number 20 refers to the testing distance of the eye chart. Optical infinity is a term that describes the minimum distance that an needs to be from your eye object so that it can be seen without...
