Contact Lens — Questions and answers

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What did Leonardo da Vinci do in 1508 that started a long quest for better vision solutions?

Choices

  1. He sketched designs for altering the eye's surface. ✓
  2. He invented the first pair of spectacles.
  3. He created a machine to see very far away.
  4. He wrote a book about blurry vision.

Answer: He sketched designs for altering the eye's surface.

From page 1

Who was the ophthalmologist in Zurich, Switzerland, who started experimenting with heavy glass shells in 1887?

Choices

  1. Leonardo da Vinci
  2. Adolf Eugen Fick ✓
  3. August Müller
  4. Otto Wichterle

Answer: Adolf Eugen Fick

From page 4

What significant thing did August Müller do after Fick's work?

Choices

  1. He stopped trying to correct his vision.
  2. He designed and successfully wore his own rigid contact lenses. ✓
  3. He invented new eyeglasses that were very lightweight.
  4. He taught animals to wear contact lenses.

Answer: He designed and successfully wore his own rigid contact lenses.

From page 5

What new material in the 1930s made contact lenses lighter and more durable than glass?

Choices

  1. Wood
  2. Polymethyl methacrylate (PMMA) ✓
  3. Water
  4. Metal

Answer: Polymethyl methacrylate (PMMA)

From page 6

Who developed the material HEMA, which made soft and flexible contact lenses that let oxygen pass through?

Choices

  1. William Feinbloom
  2. Theodore Obrig
  3. Otto Wichterle ✓
  4. August Müller

Answer: Otto Wichterle

From page 7

How did Otto Wichterle's soft lenses help people with vision problems?

Choices

  1. They made glasses heavier.
  2. They only helped people who didn't want to see clearly.
  3. They offered comfort, convenience, and visual freedom. ✓
  4. They caused more eye irritation.

Answer: They offered comfort, convenience, and visual freedom.

From page 8

For many people today, what does the contact lens represent?

Choices

  1. A heavy burden on their eyes.
  2. A symbol of liberation, confidence, and integration. ✓
  3. A new way to wear eyeglasses.
  4. A blurred view of the world.

Answer: A symbol of liberation, confidence, and integration.

From page 10