Eye Care Ltd. employs two ophthalmologists and three optometrists.

Eye Care Ltd. employs two ophthalmologists and three optometrists. Ophthalmologists are responsible for eye disease diagnostics and eye surgery. Two of the optometrists are responsible for routine eye exams, vision testing, and prescribing eyeglasses. The third optometrist assists the ophthalmologists during diagnostic and surgical procedures.

Patients schedule appointments directly with ophthalmologists and optometrists, depending on the type of service needed. Patients do not have to choose an ophthalmologist until they have a medical issue with their eyes and need diagnosis beyond routine procedures such as regular exams, vision testing, and prescribing eyeglasses. Patients are assigned to a specific optometrist when they schedule their first appointment. The customer master file has 489 records.

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A. Diagram the agents described, relationships between agents, and the cardinality pairs for each relationship.

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