How do glasses help us see? - Andrew Bastawrous and Clare Gilbert

According to the text, what happens when light focuses in front of the retina?

• It causes hyperopia, where distant objects appear blurry.
• It results in astigmatism, making both near and far objects blurry.
• It leads to presbyopia, affecting the ability to focus on close objects with age.
• It causes myopia, where close objects appear clear but distant objects are blurry.

Based on the text, what is the role of the cornea and lens in the eye?

• They protect the eye from damage and control the amount of light entering.
• They work together to bend light and focus it on the retina.
• They are responsible for detecting colors and transmitting visual information to the brain.
• They maintain the shape of the eye and provide nutrients to the retina.

According to the text, what did Edward Scarlett contribute to the development of glasses?

• He discovered that looking through glass could magnify objects.
• He invented contact lenses to correct refractive errors.
• He created glasses with arms that hook over the ears, similar to modern glasses.
• He developed laser surgery to reshape the cornea and improve vision.

What did Seneca notice about words when he looked at them through a glass of water?

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According to the text, what is refraction?

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What is the retina, and what does it do?

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The text discusses different types of refractive errors like myopia, hyperopia, and astigmatism. Have you or anyone you know experienced any of these vision problems? How has it affected daily life, and what solutions, like glasses or contacts, have been used to correct it?

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The article mentions how our eyes change as we age, leading to conditions like presbyopia. Reflect on how you perceive the aging process, either in yourself or in older adults you know. How do you think changes in vision, as described in the text, might impact someone's experience of aging?

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The text explains how glasses have evolved over time to become more precise and personalized. How do you think advancements in technology, like those used to create modern glasses or laser eye surgery, impact people's lives and their ability to overcome challenges related to vision? Consider the broader implications of technology improving our senses and overall well-being.

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