Introduction to Lenses The Index - Featured

Introduction To Lenses – The Index

Hello and welcome to the first lesson of The Lost Contacts' Introduction To Optical Dispensing course! Before tackling this course, please keep in mind that it is meant to build on the knowledge laid out in The Lost Contacts' The Optics of Vision course. Please make sure you are familiar with the topics in that … Continue reading Introduction To Lenses – The Index

Ordering Trial Contact Lenses - Featured

Ordering Your Patient’s Free Contact Lens Trial Pair

This is the 5th installment of my Fitting Contact Lenses Course. So far we've learned: Knowing Who Can't Wear Contact Lenses Knowing Who Can Wear Contact Lenses How To Convert A Glasses Prescription To Contact Lenses How To Convert A Glasses Prescription To Contact Lenses: Astigmatism The next step is to get your patient a … Continue reading Ordering Your Patient’s Free Contact Lens Trial Pair

Presbyopia - Featured

The Optics of Vision – Part 10: Presbyopia

In The Optics of Vision - Part 9, we learned about the function of the crystalline lens. But as I pointed out towards the end of the lesson, the crystalline lens gradually stops functioning. This results in the condition we're going to discuss in this lesson called Presbyopia. This being the last lesson of The … Continue reading The Optics of Vision – Part 10: Presbyopia

Astigmatism Explained

The Optics of Vision – Lesson 8: Astigmatism

After studying this lesson, you will understand a concept that eludes the vast majority of people - Astigmatism! But before you proceed, keep in mind that this is Lesson 8 of the course and it is highly advisable that you have read lessons 1-7 before tackling this one. THE OPTICS OF VISION – LESSON 1: … Continue reading The Optics of Vision – Lesson 8: Astigmatism

Convert a Glasses Prescription to Contact Lenses Astigmatism - featured

How To Convert A Glasses Prescription To Contact Lenses: Astigmatism

In the previous lesson: "How To Convert A Glasses Prescription to Contact Lenses", I covered only situations that did not involve any astigmatism correction. In this lesson, I will only be discussing how to convert a glasses prescription to contact lenses when there is astigmatism to deal with. Before I get into it I just … Continue reading How To Convert A Glasses Prescription To Contact Lenses: Astigmatism

How To Convert A Glasses Prescription To Contact Lenses - featured

How To Convert A Glasses Prescription To Contact Lenses

Now that you know who can or can't wear contact lenses, it's time to get the contact lens fitting started. The first step is to determine the power of contact lenses needed for your patient. To do this so it is crucial to know how to convert a glasses prescription to contact lenses. Is A … Continue reading How To Convert A Glasses Prescription To Contact Lenses

Who Can Wear Contact Lenses

Knowing Who Can Wear Contact Lenses

Can everyone wear contact lenses? No. There are definitely some people who can't wear contact lenses, but in this article, I will discuss the kinds of people who can wear contact lenses. Not only that, but there are some people for whom contact lenses are the best option for their vision, and I will go … Continue reading Knowing Who Can Wear Contact Lenses

How to disinfect contact lenses from coronavirus

How To Disinfect Contact Lenses From COVID-19 (coronavirus)

Wearing contact lenses comes with certain risks, the greatest of which is that of infection. That's why it's crucially important to make sure you know how to disinfect contact lenses properly, especially at the time of writing this article; the middle of the COVID-19 (coronavirus) pandemic. First and Foremost Wash Your Hands The most common … Continue reading How To Disinfect Contact Lenses From COVID-19 (coronavirus)

Who Cannot Wear Contact Lenses

Knowing Who Can’t Wear Contact Lenses

A contact lens fitting is a multi-step process that involves many important considerations, but perhaps the most important step is the one that precedes it all; determining if your patient can or can't wear contact lenses. In this article, I will walk you through the process of determining who can't wear contact lenses & who … Continue reading Knowing Who Can’t Wear Contact Lenses

Hyperopia featured image

The Optics of Vision – Lesson 7: Hyperopia

This is lesson 7 in this course. Please review lessons 1-6 if you haven't already done so. The Optics of Vision – Lesson 1: Understanding Light The Optics of Vision – Lesson 2: Introduction to Lenses The Optics of Vision – Lesson 3: Lens Power The Optics of Vision – Lesson 4: Basic Eye Anatomy … Continue reading The Optics of Vision – Lesson 7: Hyperopia