When an ophthalmologist surgically corrects a patient’s vision through LASIK or PRK, the doctor is making adjustments to the patient’s a. cornea. b. lens. c. retina. d. iris.

Q: As an optometry student, you are interning at an Optical Centre. A patient requested to be…

A: In such case person is able to see object of 25cm clearly and lens should make image of object at 25…

Q: When reading, a person with astigmatism sees some lines in sharp focus while others appear blurred.…

A: The sense organ eye involves in the vision and has the capacity to process and analyze the image…

Q: Which abnormality of the eye is correctly matched?a. cataracts—cloudy corneasb. glaucoma—intraocular…

A: Cataract: A cataract is a nude region in the eye lens that induces vision decrease. Sometimes…

Q: The lens normally focuses light onto thea. optic disc. c. macula. e. ciliary body.b. iris. d.…

A: The eyes are sensory organs  in the human which are responsible for interception of light senses…

Q: The human eye focuses bya. changing the thickness of the lens.b. changing the shape of the lens.c.…

A: Sense organs are specialized organs that allow the human body to perceive sight, smell, sound,…

Q: Which of the following statements are true of the physiology of vision? (Read carefully and select…

A: The physiology of the vision involves the the eye. It is made up of following structures - the…

Q: The ability of your eyes to focus diffrentially for obejcts of near vision (less than 20ft) is…

A: The eye is responsible for photosensory activity in human that sense the light stimulus. The…

Q: If someone has spatial neglect of the left side, which of these procedures, if any, would increase…

A: Spatial Neglect is a neuropsychological disorder resulting from damage to the right hemisphere of…

Q: A device that monitors the activity of the photoreceptor cells of the eye indicates that there is a…

A: In a dark room, photoreceptor cells in the eye release a constant flow of neurotransmitter to…

Q: What region of the retina contains a high density of photoreceptor cells and allows for extremely…

A: The fovea centralis of the retina contains high-density photoreceptor cells and allows for extremely…

Q: Glaucoma primarily causes damage to the: A. Iris B. Lens C. Optic nerve D. Cornea

A:

Q: If Tabitha closes her eyes when she rides in her parents’ car, she can still tell that the car is…

A: Sensation and perception are two processes that are very important in how we interact with the…

Q: (iii) Aqueous humour is present between the:

A:

Q: Can you help me the name of the eye system model?

A: The eyes are the organ of the body that helps in visualizing things. It functions in receiving the…

Q: The macula in the utricle detects:a. rotation of the head to the right.b. very low frequency sound…

A: The ear is responsible for picking up the sound waves enabling us to hear. It is also helpful to…

Q: Visual System Matching protects and shapes the eyeball; provides a sturdy anchoring site for…

A: In human anatomy, the visual system comprises the eyes, lateral geniculate nucleus and some parts of…

Q: At night, which type(s) of photopigment enable(s) you to discriminate the colors of neon signs and…

A: Eye is an organ which helps us to provide vision it has several photoreceptors which receives light…

Q: 13) If your fovea were to become damaged, you would have the greatest difficulty seeing   a. in…

A: Human eye is a sensory organ responsible for vision in human beings. The human eye is situated on…

Q: A patient has lost vision on the left side of both eyes. The patient has likely suffered damage to…

A: The optic nerve pathway is a complex pathway leading to the sensation of vision. The optic nerves…

Q: Dr. Nakvarati used an instrument to blow a puff of air on Mr. Jefferson’s eye during his annual…

A: Intraocular pressure is the pressure inside the eyes, and an increase in this pressure can cause…

Q: The area of the eye that contains the rods and cones is called thea. retina.b. choroid.c. sclera.d.…

A: Eyes are the ball-shaped, paired organs located in the orbital sockets concerned with the unique…

Q: The is the region of the eye that controls the amount of light that enters.a. cornea b. pupil c.…

A: Eye is an organ responsible for sight/ vision. There are many structures which works together to…

Q: Which of the following statements is correct A. The innermost layer of the retina contains mainly…

A: The retina is a light-sensitive layer that lines the eye's interior. It is made up of rods and…

Q: C. Eye Structures Choose the structure that applies to each statement. More than one structure m be…

A: The human eye is a complex organ responsible for vision. It consists of several structures and…

Q: Which of the following statements aboutphotopic vision is false?a. It is mediated by the cones.b. It…

A: Four different kinds of photoreceptors, including rods and three types of cones, are responsible for…

Q: Myopia is a condition in which a person has Select one:

A: Myopia or near-sightedness is an eye disorder where the refracted light focusses in front of retina.…

Q: Match the function or definition to the structure: _____  A.  Lens…

A: Many sense organs are located in the head region. The sense organs that aid in perceiving visual…

Q: A clouding of the lens is called a. myopia. b. glaucoma. c. hyperopia. d. cataract.

A: The vision helps us to be mindful of the environment. Light reflected from the object when they look…

Q: Salient stimuli are... a. more likely to be

A: Salient stimulus is the features of the objects which attract our attention These may be bright…

Q: Which of the following descriptions of photoreceptors in the eye is NOT correct? a. Cones are…

A: Photoreceptors are found in the retina of the eye and are specialized cells required for visual…

Q: Which of the following correctly lists the steps of perception? a. Interpretation, stimulation,…

A: The body experiences external stimuli(sensation) through sensory receptors located on the surface of…

Q: The outer tough coat of the eye is the a. retina. b. sclera. c. choroid. d. lens.

A: The eyeball, a sensory organ located in the bony orbit, is responsible for detecting photoreception…

Q: The pupils constrict when we focus on nearby objects so _______________. A.less distracting light…

A: The pupil is an aperture located at the center of the iris of an eye that allows the passage of the…

Q: Because fibers of the optic nerve that originate in the nasal halves of each retina cross over at…

A: Into the nasal (medial) half and the temporal (lateral) half, the visual field of each eye is…

Q: Vibrations of the stapes are transferred to the _________ window, waves displace the ___________…

A: The stapes is one of the three auditory ossicle bones in the middle ear. It is the smallest bone of…

Q: Ciliary Body Conjunctiva Body of Iris Sclera Pupil Anterior chamber Anterior Suspensory ligaments…

A: Eye is the chief sense organ of the visual system. In most mammals they are paired structures and…

Q: Which of the following components of the eye allows a person to focus on objects at various…

A: Optic nerves transmit electrical impulse from eyes to brain.   Sclera supports wall of eyeball and…

Q: Albinism is a condition in which melanin pigment is not made. How do you think vision is affected by…

A: Due to our answering policy, we can only answer one question at a time. Since you have posted…

Q: Myopia is a condition in which a person has: a. light rays focusing in front of the retina due to a…

A: In the healthy eye, the light rays entering the eye bends by the cornea and focus accurately on the…

Q: State the part of eye that constricts or dilates based on the amount of light in the environment. A.…

A: 1. Pupil helps in constriction and expansion based upon the amount of light present in our…

Q: The indication of Instilling a sterile ophthalmic solution such as liquid tears and saline every 3-4…

A: Nursing care of unconscious patient Assessment includes, survey of ABCDE survey such as, airway,…

Q: Here you see an astigmatism illustration.

A: The human eye is the most valuable and sensitive sense organ. It is a natural optical instrument.…