Science

Hawk Eye

Understand Your Eyes

Menu (linked Index) Understanding Your Eyes – A Guide to Anatomy, Vision, and Correction Last Update: January 10, 2025 Introduction Eye Anatomy  Light to Vision Pathway Physics of the Eyes Vision Impairment and Correction Introduction In the book “The Auto Biography of Malcolm X” , Malcolm writes……”I would just like to study. I mean ranging […]

Understand Your Eyes Read More »

Eye Anatomy

Menu (linked Index) Eye Anatomy Last Update: December 23, 2024 Introduction  Eye Schematics Cornea Sclera Limbus Aqueous Humor Iris / Ciliary Body / Choroid Conjuctiva Lens Vitreous Humor Hyaloid Canal Retina Conclusion Introduction In this post on Eye Anatomy, I    provide some useful cross sectional (sagittal) and frontal schematics of the eye and give

Eye Anatomy Read More »

Eye Lens Anatomy

Menu (linked Index) Eye Lens Anatomy and Accommodation Last Update: December 22, 2024 Introduction  Lens Anatomy Cataract Surgery Impact on the Lens Lens Accommodation Conclusion Introduction After my cataract surgery in 2024, I decided to write an article on the experience. The effort spawned a few more articles on the anatomy and physics of the

Eye Lens Anatomy Read More »

Lens Ray Diagrams

Menu (linked Index) Lens Ray Diagrams Last Update: October 21, 2024 Introduction Convex and Concave Lens Basics Ray Diagram Drawing Rules Convex and Concave Lens Ray Diagram (O>2F) Convex and Concave Lens Ray Diagram (O=2F) Convex and Concave Lens Ray Diagram (2F>O>F) Convex and Concave Lens Ray Diagram (O=F) Convex and Concave Lens Ray Diagram

Lens Ray Diagrams Read More »

Lens Equations

Menu (linked Index) Lens Equations Last Update: October 21, 2024 Introduction Symmetrical Concave and Convex Lens Using Ray Diagrams to Determine the Lens Equations Lens Magnification Equation Thin Lens Equation Curved Surface Refraction Equation Derivation Lens Maker’s Equation Introduction In this post we’ll derive the following key lens equations: The Lens Magnification Equation The Thin

Lens Equations Read More »

Light Refraction Icon

Snell’s Law Example

Introduction Snell’s Law (Law of Refraction) Example Last Update: October 20, 2024 This post provides an example of how to compute refracted light angles using Snell’s Law.  Refer to my post Refractive Geometric Optics for more on Snell’s Law.  Also, Find more links related to my eye research here: Understand Your Eyes. Return to Menu Snell’s

Snell’s Law Example Read More »

Electromagnetic Wave Wiki Commons

Wave Superposition

Menu (linked Index) Wave Superposition Last Update: October 20, 2024 Introduction  Electromagnetic Wave Superposition Why Light Slows Down Introduction Electromagnetic waves produced by different sources will combine in a process called superposition.  In this post, we’ll describe basic wave superposition and why light slows down when entering a medium with a higher refractive index.  Also

Wave Superposition Read More »