12 Questions
What is the main cause of myopia?
The eye's refractive power being too strong or the eyeball being too long
What type of corrective lenses are needed for hypermetropia?
Convex lenses
Which eye condition results in light rays being focused behind the retina?
Hypermetropia
What is the common issue associated with astigmatism?
Blurry or distorted vision
At what age does presbyopia typically start affecting individuals?
Around age 40-45
What is Daltonism also known as?
Achromatopsia
What is the main cause of myopia?
Weakness in the eye's refractive power
Why does hypermetropia result in a confused image?
The eye's refractive power is too weak
What is the primary reason for needing convex corrective lenses in hypermetropia?
To focus on close objects
How does astigmatism affect vision?
It makes close objects seem blurry
What is the typical age range at which individuals start experiencing presbyopia?
Around age 45
What is the common term used for color blindness in some individuals?
Daltonism
Test your knowledge on common eye defects such as myopia and hypermetropia, their causes, and the corrective measures needed. Learn about the impact of refractive power and eyeball length on vision quality.
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