Vision as we age: Understanding common eye conditions

As we age, our eyes undergo natural changes, and the risk of certain eye disorders increases. In this webinar recording, Dr. Nina Ahuja discusses the most common and significant eye conditions affecting older adults, including an overview of cataracts, glaucoma, age-related macular degeneration, and diabetic retinopathy. Get a clear understanding of these conditions, their symptoms, and the latest treatment options.



Learn the answers to the following questions:

  • 00:00 What are the roles of various eye care professionals?
  • 4:40 How does the eye work?
  • 6:45 What is age-related macular degeneration?
  • 14:40 What are cataracts?
  • 26:24 What is glaucoma?
  • 33:00 What is diabetic retinopathy?
  • 39:23 What causes 'dry eye' and how can it be treated?
  • 42:04 What are floaters and how can they be prevented or treated?
  • 45:18 How does laser surgery work? What eye conditions is it used for?
  • 47:40 What can you do to promote eye health?

Download a transcript of this video.

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DISCLAIMER: These summaries are provided for informational purposes only. They are not a substitute for advice from your own health care professional. The summaries may be reproduced for not-for-profit educational purposes only. Any other uses must be approved by the McMaster Optimal Aging Portal (

Many of our Blog Posts were written before the COVID-19 pandemic and thus do not necessarily reflect the latest public health recommendations. While the content of new and old blogs identify activities that support optimal aging, it is important to defer to the most current public health recommendations. Some of the activities suggested within these blogs may need to be modified or avoided altogether to comply with changing public health recommendations. To view the latest updates from the Public Health Agency of Canada, please visit their website.