In the pre-fit examination for gas-permeable lenses, how does palpebral aperture height influence the recommended lens size?

• A. Larger fissure requires a smaller lens; smaller fissure requires a larger lens.
• B. A larger fissure requires a larger lens; a smaller fissure requires a smaller lens.
• C. Lid position influences lens size (the larger the fissure, the larger the lens).
• D. Lens size is unrelated to fissure height.

Answer: (B)