Question

How has the idea and technique of correcting eyesight

changed over time? Use at least FOUR details in your
answer.

Answer 1

The idea and technique of correcting eyesight have evolved significantly over time, from simple tools used in ancient civilizations to advanced technologies available today, such as LASIK surgery and intraocular lens implants.

Step-by-step explanation:

The idea and technique of correcting eyesight have changed significantly over time. Here are four details:

1. Ancient Times: Ancient civilizations, including the Egyptians and the Greeks, used simple tools like magnifying glasses and water-filled bowls to correct mild vision problems.
2. The Renaissance: In the 16th century, eyeglasses with convex and concave lenses were invented, providing better vision correction for both nearsightedness and farsightedness.
3. Modern Optometry: In the late 19th and early 20th centuries, optometry emerged as a profession, offering more accurate vision correction through the use of precise eyeglass prescriptions.
4. Advanced Technologies: In recent years, advanced technologies such as LASIK surgery and intraocular lens implants have revolutionized vision correction, allowing people to achieve perfect or near-perfect vision without the need for glasses or contact lenses.