Custom designed ocular prosthesis: How it is done
When getting an eye prosthesis for the first time, it can be a very nerve-wracking experience for patients, as they have usually been through an evisceration (removing the contents of the eye) or enucleation (removing the complete eye). The first session often requires time to set the patient’s mind at ease with the process ahead. […]
Making the best of your visit to the optometrist
A visit to the optometrist has several facets to it. Venturing into the unknown can be a daunting prospect, so my aim here is to demystify the process and give some tips to take with you. I am an optometrist and practiced for many years, so I know how it works! It boils down to: […]
A letter to parents & teachers about blue light
I want to share with you, in non-scientific terms, the concerns I have, about the risk our future generations face, due to excessive exposure to Blue Light. I am still relishing the wonder of becoming a grandfather for the first time. I now have the opportunity to observe, first-hand, how electronic devices and therefore, more Blue Light, has entered the every-day life of my two-year-old granddaughter.
Can we finally accept the truth about antibiotics?
Diseases, among other things, are caused by viruses and bacteria. Every year, thousands upon thousands of people get flu, which we know, is caused by a virus. So often, we hear flu victims say: “I really battled with this flu, so I finally went to the doctor to get an anti-biotic to sort it out.” Nothing can be further from the truth! Anti-biotics are designed to kill bacteria. It can never fight a virus. Anti-biotics will not cure influenza or speed up the recovery from it. That is a well-established fact. The same holds true for colds.
Scuba Diving Vision
When light travels from one medium to another medium of different density (refractive index), it changes its path. When light strikes the cornea in air, it bends the light with some help from the lens in the eye, to bring it to a focus on the retina.
The perils of night driving
Night driving comes with its own set of challenges. There is no doubt that it is more dangerous than day driving and many more fatal accidents occur at night. There are many obvious reasons for this, but the first important issue to come to terms with, is Dark Adaption.
What to know about binoculars
There are lots of very technical issues worth knowing about binoculars. These can relate to the user’s visual status, physical ability, conditions of use, purpose of use etc. Some of these will be explained in this article. However, if I was only allowed to give one piece of advice in general terms, it would be […]