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The Chadwick Vision Clinic blog is where we share our knowledge on everything from complex optical cases to practical tips for everyday eye health.
This blog is largely based on our Ask Chadwick YouTube series. In these videos, we answer questions from you or questions that we come across with regularity. Our goal is to provide you jargon-free explanations and advice that’s actually useful.
Filter through using the headings below to see articles related to different topics.
- All
- Aniseikonia
- Binocular Vision Disorders
- Distance Vision
- Epilepsy
- Lighting
- Low Vision
- Magnification
- Photophobia
- TBI & Concussions

Why Do I Still Have Headaches with My New Prescription?
Learn why you might still have headaches and eye strain even with a new prescription. This video explains convergence insufficiency, the importance of binocular vision exams, and treatment options like prism and vision therapy.

Are Blue-Tinted Lenses effective for Photosensitive Epilepsy?
Flickering lights triggering seizures? Learn how Z Blue tinted lenses filter out problem wavelengths and may help reduce seizure risks.

What Is Aniseikonia and How Does It Affect Vision?
Aniseikonia is a difference in image size between your two eyes. We explain how this can lead to symptoms like headaches and fatigue, and how specialized lenses can help.

How Can I Start Seeking Help for My Binocular Vision Dysfunction?
Binocular vision dysfunction can be a complex problem. Learn about a two-phase approach that first addresses any underlying issues between your eyes before you begin vision therapy.

How Can Tinted Eyewear Help With TBI and Concussion Recovery?
Learn how tinted eyewear can be a practical solution for concussion and TBI recovery. Discover how tinted lenses filter visual input, helping your brain heal while you stay functional.

How Do I Use A Magnifier and What Is Focal Length?
Learn the right way to use a magnifier to make objects look bigger. We’ll cover focal length, field of view, and why choosing a high-quality, precisely calibrated lens is essential for true magnification.

How Do I Use A Monocular Telescope?
Learn how to use a monocular telescope to improve your distance vision. We’ll show you how to focus it and explain the important trade-off between magnification power and field of view.

What Is Convergence Insufficiency and How Is It Treated?
Convergence insufficiency is a common visual problem in our digital world. Learn about its symptoms, from headaches to neck aches, and how prism lenses or vision therapy can help.

Why Does the Eyecare Industry Struggle With Low Vision?
In this post we explore why focusing on a patient’s functional needs and passions, rather than just their diagnosis, is the key to finding truly effective solutions.

Do You Need a Prescription For High Powered Readers?
Learn why consulting a low vision specialist is highly recommended, even if you can purchase some devices without a prescription. Expert guidance can help you find the right solutions faster.

