Which statement best summarizes GP lenses in terms of revenue, follow-up, and durability?

• A. GP lenses generate greater revenue, require more follow-up care, and are durable
• B. GP lenses generate greater revenue, require more follow-up care, and are not durable
• C. GP lenses generate less revenue, require less follow-up, and are durable
• D. GP lenses generate greater revenue, require less follow-up care, and are durable

Answer: (A)