Which of the following are associated with retina?

Q: Name the spot in the retina where no photoreceptor is present and optic nerve is formed.

A: The eye consists of photoreceptor cells and there are two kinds of photoreceptor cells namely rods…

Q: Fill in the blank:  Olfactory sensations usually fade rapidly as a result of…

A: Special senses include specific sensitive receptors that are involved in providing detailed…

Q: Describe the histological structure of the retina and its receptor cells?

A: The retina is the underlying layer of the wall of the eye. It is in instant proximity with the…

Q: What makes the lens of the eye clear? What happens when cataracts form?

A: The eye lens is the biconvex transparent structure that refracts light and focuses on the retina. It…

Q: anterior chamber w/ aqueous humor, cornea, iris w/pupil, lens, posterior chamber w/aqueous…

A: Eye is a sense organ which reacts to light and facilitates vision and supplied by optic nerve. Eyes…

Q: Name the eye disorder in which image of the object is formed behind the retina.

A: Due to the change of the curvature of the eyeball, different types of eye diseases related 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: Visual disorders fall into several categories; name them.

A: The major visual organ of an animal kingdom is a pair of eyes which allows us to visualise the…

Q: Explain why one early symptom of vitamin A deficiency is the impaired vision at night?

A: Vision is a sense related to eyes. Eye is one of the sensory organs present in the body of an…

Q: What happens at the optic chiasma? What is the consequence of this?

A: Optic chiasma are locations within the brain where optic nerve fibers from either eye cross over…

Q: What superficial accessory structure of the eye would be the first to be affected by inadequate tear…

A: Eye is one of the sensory organs present in the body of an organism. It is responsible for sensing…

Q: Explain why the retina can detach from the eyeball with just a blow to the back of the head.

A: The retina is the outgrowth of the forebrain. It is a membrane that covers the inner surface of the…

Q: Anatomically, what causes a blind spot on the retina?

A: The ganglion cells of the retina have their axons continuing into the optic nerve, also known as the…

Q: Describe the structure and function of accessory eye structures, eye layers, the lens, and humors of…

A: The human visual system is the one that includes the eye, the connecting pathways to the visual…

Q: Distinguish between blind spot and yellow spot.

A: Human eye are a pair of organ for sight. They are situated in the deep protecting bony cavities of…

Q: Give appropriate term for the region of distinct vision in the eye.

A: Eye is the specialized organ of the visual system. The eyes provide an ability to receive and…

Q: Explain the condition of retinal detachment ?

A: Retinal detachment is an emergency where part of the eye like the retina pulls away from the…

Q: painless acute vision loss includes all the followings except .A diabetic retinopathy .B keratitis…

A: Diabetic retinopathy occur in eye which result in vision loss or blindness in those who are dealing…

Q: Name the two layers of the retina.

A: The area of retina which provides highest visual acuity is the FOVEA CENTRALIS. The highest visual…

Q: Differentiate between blind spot and yellow spot.

A: The eye is a three-layered, fluid filled ball divided into two chambers. The human eye is designed…

Q: Describe how the retina may become detached and thepossible effects on vision.

A: Eyes are the organs of vision. Eyes contain a structure called retina which contains the…

Q: Explain briefly on entering a poorly lit room, one feels blinded for a short while.

A: The eye is an organ that controls and enables sight. It has a number of components including cornea…

Q: Compare the signs of chronic glaucoma, acute glaucoma,cataract, macular degeneration, and detached…

A: The eye is the organ responsible for vision. There are two photoreceptors present that help in…

Q: Why is otitis media more common in children?

A: The otitis media is an ear infection that happens behind the space behind the eardrum, commonly…

Q: Describe the eye defect that causes color-deficient vision.

A: The eyes are the main organ of the visual system. They are responsible for providing the animals…

Q: Describe the structure and function of the layers of the eye, the lens, and the humors of the eye.

A: Eye is a small ball shaped organ located within the bony sockets know as orbits. There is a pair of…

Q: Describe two ways in which otitis media can impairhearing permanently.

A: Ear in one of the important sense organs in the body. Anatomically it is divided into 3 parts. The…

Q: What 4 structures must pass through before reaching the retina?

A: Answer: HUMAN EYE = Eyes are the pair of sense organ in human body. It helps to see or visualize the…

Q: Which nervous system is responsible for dilation of pupil?

A: The nervous system controls and coordinates all the activities in the body. It is majorly classified…

Q: Describe the vitreous humor of the dissected eye.

A: The eye is the organ of the vision. The structure of the eye consists of the iris, cornea, retina,…

Q: What factors contribute to individual differences in olfactory sensitivity?

A: BASIC INFORMATION NERVOUS SYSTEM :- It is of two types namely Central nervous system (CNS) and…

Q: Why is color vision deficiency a better term than color blindness?

A: Rods and the cones are the two types of photoreceptor cells that are present in the retina which…

Q: Explain why an eye has a blind spot.

A: Retina is a part of our eye on which image is formed. Rod and cone cells help in this image…

Q: (a) What is hypermetropia?(b) What are the two causes of this defect of vision?

A: Human eye is an organ that reacts to light and allows vision. Cone and rod cells in the retina allow…

Q: 47. Which of the following regions of the retina is capable of the highest spatial resolution and…

A: Introduction :- The retina connects the light that enters your eyes to the images that you see. Your…

Q: The arrangement of tunics in the eye, from the innermost to outermost aspect of the eye, is a.…

A: The eye is the sensory organ for vision and lies in the cavity of the orbit. The retina is regarded…

Q: What is the role in vision of thecistrans isomerization of retinal?

A: Retinal is derivative of vitamin A. Retinal is derived from the oxidation of retinol. Retinal and…

Q: Explain Retinal ?

A: Introduction: The chromophore is a molecule that absorbs light of a specific wavelength and…

Q: What is the nature of image formed on the retina of the eye?

A: The human eye is a sense organ. It reacts to light and allows vision. The cone and rod cells in the…

Q: What is the route from retinal receptors to the brain?

A: The retinal system is defined as the visual system that connects the retinal ganglion cells (RGC) to…

Q: Discuss the absorption of light by the retinal cells.

A: The retina is the part of the eye that serves as a screen for image formation. It is composed of a…

Q: If a patient suffers visual impairment only in one eye, why must the damage be located in the visual…

A: Understand the location of the lesion in case of visual impairment is essential from the clinical…