Thank you for the opportunity to help you with your question!
If I give you the answer, you'll never become a nurse like me. I can help you eliminate some of these answers, though.
The rods & cones are indicative of color blindness, and have nothing to do with far/near sightedness.
Fluid pressure of the (IOP) of the fluid in the eye (aqueous humor) relates to glaucoma, not far/nearsightedness
Please let me know if you need any clarification. I'm always happy to answer your questions.