Describe accommodation for distant objects, where ciliary muscles relax, suspensory ligaments tighten and the lens becomes thinner.

In the subtopic The eye (biology only), this learning objective focuses on describe accommodation for distant objects, where ciliary muscles relax, suspensory ligaments tighten and the lens becomes thinner. Within The human nervous system, students should explain this idea in the exact curriculum context rather than as an isolated fact. Approved keywords for this objective include accommodation, ciliary muscles, lens, and suspensory ligaments. accommodation means the process by which the eye adjusts the shape of the lens to focus on objects at different distances. Avoid students often confuse the roles of ciliary muscles and suspensory ligaments during accommodation for distant objects, mistakenly stating that ciliary muscles tighten instead of relax; instead remember that for distant objects, ciliary muscles relax, which allows the suspensory ligaments to tighten, resulting in a thinner lens. For exam answers, draw and label a diagram showing the process of accommodation for distant objects, highlighting the roles of ciliary muscles, suspensory ligaments, and lens shape.