Optometry Answered Questions | Already Passed | 100 % Correct Answers Light is bent (refracted) primarily by the ______________ Ans: Cornea Light is bent (refracted) secondarily by the _______ Ans: Len

Optometry Answered Questions | Already Passed | 100 % Correct Answers Light is bent (refracted) primarily by the ______________ Ans: Cornea Light is bent (refracted) secondarily by the _______ Ans: Lens Light is focused onto the __________ which contains specialized neural cells called photoreceptors to process light and change it into a chemical signal which is transmitted through the visual pathway. Ans: Retina Majority of the light is focused onto the ___________ -> clearest portion of vision. Ans: Macula Chemical signal exits the eye via the ___________________. Ans: Optic Nerve (CN II) Which lobe is involved in visual processing?? Ans: The Occipital Lobe The ability to clearly see an image at near involves a process known as ____________________ which is controlled by CN III (Oculomotor Nerve). Ans: Accomodation Testing Visual Acuity: Distance _________ ft vs. Near ________ cm Ans: Distance - 20 ft Near - 40 cm Equipment used to cover the eye Ans: Occluder Snellen Fraction 20/20 Ans: Test Distance/Lett