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
An 8-year-old boy is brought to the physician by his parents for blurry vision for the past 2 months. He is at the 97th percentile for height and 25th percentile for weight. Physical examination shows joint hypermobility, a high-arched palate, and abnormally long, slender fingers and toes. Slit lamp examination shows superotemporal lens subluxation bilaterally. This patient's findings are most likely caused by a defect in which of the following structural proteins?
assistant
Fibrillin