system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Advantage of contact lens over normal glasses;
assistant
The correct answer is  Advantages: Less magnification (5%) of the image, elimination of aberrations and prismatic effect of thick glasses wider and better field of vision, cosmetically better accepted by young persons. Disadvantages: more cost, cumbersome to wear, especially in old age and in childhood, corneal complications may occur (Inflammation/ Infection).