Lecture

Correction of Optical Defects: From Spectacles to Lasers

This module covers the historical and contemporary methods used to correct optical defects. It begins with the introduction of spectacles in the 13th century, exploring their evolution and the subsequent advancements in corrective technologies. Learn about:

  • The significance of Roger Bacon's early works on lenses
  • The development of contact lenses
  • Modern laser surgical techniques for vision correction

Participants will gain a comprehensive understanding of how these technologies enhance visual health and the impact they've had on society over the centuries.


Course Lectures
  • Fun with Visual Illusions
    William Ayliffe

    Visual illusions are captivating phenomena that reveal the complexities of the visual system. This module explores how our brains interpret visual information and the reasons behind various illusions. By studying well-known examples from art history alongside modern creations, participants will gain insight into the mechanisms of perception.

    Key topics include:

    • The science behind visual processing
    • Famous visual illusions and their implications
    • The role of context in perception

    By the end of this module, participants will view the world through a new lens, appreciating the intricacies of visual phenomena.

  • This module covers the historical and contemporary methods used to correct optical defects. It begins with the introduction of spectacles in the 13th century, exploring their evolution and the subsequent advancements in corrective technologies. Learn about:

    • The significance of Roger Bacon's early works on lenses
    • The development of contact lenses
    • Modern laser surgical techniques for vision correction

    Participants will gain a comprehensive understanding of how these technologies enhance visual health and the impact they've had on society over the centuries.

  • This module examines the impact of systemic diseases like diabetes and hypertension on eye health. By understanding how these conditions lead to vascular complications in the eye, participants will learn about the importance of early detection and treatment.

    Key discussions will include:

    • The history and development of the ophthalmoscope
    • Common eye diseases related to systemic conditions
    • Modern treatment options and preventive measures

    Participants will appreciate the eye as a critical indicator of overall health and the need for regular eye examinations.

  • In this module, the global perspective on childhood blindness is explored, addressing its prevalence and causes. Understanding the factors leading to childhood blindness is crucial for developing effective prevention strategies.

    Topics of discussion will include:

    • The social and economic impacts of childhood blindness
    • Global initiatives aimed at reducing blindness
    • The role of education and awareness in prevention

    This module aims to empower participants with knowledge about the challenges faced by visually impaired children and the importance of advocacy in addressing these issues.

  • Why We See What We Do
    William Ayliffe

    This module investigates how our visual system interprets the world around us, focusing on the brain's remarkable ability to create a three-dimensional understanding from two-dimensional retinal images. Participants will discuss:

    • The brain's processing of visual information
    • How perception can be influenced by context and prior experience
    • The concept of vision as a potential illusion

    Through this exploration, participants will gain insights into the fascinating complexities of human perception and the cognitive processes involved in sight.

  • How Do We See Colour?
    William Ayliffe

    Understanding color perception is essential in appreciating its cultural significance. This module explores how organisms evolved the ability to detect colors and how this capability enhances our interaction with the environment.

    Participants will explore:

    • The science behind color differentiation
    • The role of color in art and commerce
    • Cultural interpretations of color throughout history

    By the end of this module, students will have a deeper appreciation for the beauty and importance of color in our lives.