Features of Eyeglasses
| Invented | 13th Century |
|---|---|
| Region | Italy |
| Original Use | Vision Correction |
| Spread | Europe and Asia |
| Impact | Increased Literacy |
| Materials | Glass, Wood, and Metal |
| Key Innovators | Salvino D’Armate, Raphael, and others |
| Modern Legacy | Variety of Lens Types and Styles |
Introduction
Eyeglasses, also known as *spectacles*, are an essential invention that emerged in the 13th century. Originating in *Italy*, they are primarily used for vision correction. Their historical significance lies in their role in expanding literacy and enabling individuals to engage more effectively with printed materials.
Timeline of Eyeglasses
- 1289: The first recorded eyeglasses are created in Italy.
- 14th Century: Eyeglasses gain popularity among scholars and the elderly.
- 17th Century: The introduction of *fresnel lenses* enhances visibility.
- 18th Century: The invention of the *bifocal lens* by Benjamin Franklin.
- 20th Century: Development of *contact lenses* as an alternative to eyeglasses.
Iconic Applications of Eyeglasses
Reading Glasses
Reading glasses are designed specifically for close-up tasks, allowing individuals to read books and engage with small print comfortably.
Sunglasses
Sunglasses protect the eyes from harmful UV rays while providing a stylish accessory, reflecting both functionality and fashion.
Interesting Fact
Did you know that early eyeglasses had no arm? They were held in place by hand or perched on the nose, making them quite inconvenient compared to modern designs!
