Which optical concept enabled the Islamic Golden Age development of precise surgical instruments for cataract removal?

💡 Explanation

Refraction principles allowed the crafting of small, high-powered lenses during the Islamic Golden Age, critically improving surgeons' precision view of the eye structures and facilitating advancements in removing clouded lenses. Therefore sharper focusing resulted, rather than lower glare, bigger depth of field, or evenly illuminated tissues which use less optimized optical principles.

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• Which risk increased when medieval siege engines launched quicklime against stone fortifications?