What is eye retina ?

What is eye retina ?
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1 Answer

Answer :

The retina is a sensitive screen inside the eye where the image we see is captured.
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Those blood cells you can see when you look at the sky--are those in the lens of your eye, or the retina, or where?

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Last Answer : Do you mean ‘floaters’? https://www.mayoclinic.org/diseases-conditions/eye-floaters/symptoms-causes/syc-20372346

What is the function of retina in human eye. -Science

Description : What is the function of retina in human eye. -Science

Last Answer : The retina acts as a screen on which the image is formed in the eye. The retina has a large number of light-sensitive cells. When the image falls on the retina then these light-sensitive cells get activated and generate electrical signals.

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Description : What is the function of the retina in the eye? -Biology

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Retina,eye lens brain and skin are formed from

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How would the retina of a cat's eye be different from the retina of a human eye?

Description : How would the retina of a cat's eye be different from the retina of a human eye?

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In eye donation, which one of the parts of donor’s eye is utilized? A. Lens B. Retina C. Cornea D. Iris

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Last Answer : ANSWER: C

In eye donation, which one of the parts of donor’s eye is utilized? A. Lens B. Retina C. Cornea D. Iris

Description : In eye donation, which one of the parts of donor’s eye is utilized? A. Lens B. Retina C. Cornea D. Iris

Last Answer : ANSWER: C

In eye donation, which one of the parts of donor’s eye is utilized? A. Lens B. Retina C. Cornea D. Iris

Description : In eye donation, which one of the parts of donor’s eye is utilized? A. Lens B. Retina C. Cornea D. Iris

Last Answer : ANSWER: C

When a person enters a dark room from bright light he is not able to see clearly for little while because ______ A. Eye is unable to adjust itself immediately B. Retina becomes insensitive momentarily C. Iris is unable to dilate the pupil immediately D. Distance between the lens and retina take time to adjust

Description : When a person enters a dark room from bright light he is not able to see clearly for little while because ______ A. Eye is unable to adjust itself immediately B. Retina becomes insensitive ... is unable to dilate the pupil immediately D. Distance between the lens and retina take time to adjust

Last Answer : ANSWER: C

Which part of the camera is analogue to the retina in the human eye? A. Lens B. Film C. Aperture D. Shutter

Description : Which part of the camera is analogue to the retina in the human eye? A. Lens B. Film C. Aperture D. Shutter

Last Answer : ANSWER: B

When a person enters a dark room from bright light, he is not able to see clearly for a little while because the (a) eye is unable to adjust itself immediately (b) retina becomes insensitive momentarily (c) iris is unable to dilate the pupil immediately (d) distance between the lens and retina takes time to adjust

Description : When a person enters a dark room from bright light, he is not able to see clearly for a little while because the (a) eye is unable to adjust itself immediately (b) retina becomes insensitive ... is unable to dilate the pupil immediately (d) distance between the lens and retina takes time to adjust

Last Answer : Ans:(c)

Which part of the camera is analogous to the retina in the human eye? (a) Lens (b) Film (c) Aperture (d) Shutter

Description : Which part of the camera is analogous to the retina in the human eye? (a) Lens (b) Film (c) Aperture (d) Shutter

Last Answer : Ans:(b)

When a person walking in bright sunlight enters a dark room, he is not able to see clearly for a little while because (a) The eye muscles cannot immediately change the focal length of the eye lens (b) The retina retains the bright images for some time and becomes momentarily insensitive (c) The iris is unable to contract the pupil immediately (d) The iris is unable to dilate the pupil immediately

Description : When a person walking in bright sunlight enters a dark room, he is not able to see clearly for a little while because (a) The eye muscles cannot immediately change the focal length of the eye ... iris is unable to contract the pupil immediately (d) The iris is unable to dilate the pupil immediately

Last Answer : Ans:(d)

In eye donation, which one of the following parts of donor's eye is utilized? (1) Iris (2) Lens (3) Cornea (4) Retina

Description : In eye donation, which one of the following parts of donor's eye is utilized? (1) Iris (2) Lens (3) Cornea (4) Retina

Last Answer : (3) Cornea Explanation: Generally blindness is caused by the dryness and hardness of cornea. Cornea is a clear layer which helps passing of light. It is an outer layer and can be transfer from one person to another.

The image of an object formed on the retina of the eye is - (1) virtual and upright (2) virtual and inverted (3) real and inverted (4) Real and upright

Description : The image of an object formed on the retina of the eye is - (1) virtual and upright (2) virtual and inverted (3) real and inverted (4) Real and upright

Last Answer : (3) real and inverted Explanation: Although the image is inverted the mental interpretation of the effect on the retina is as though it is erect.

Retina of the eye is comparable to which part of a traditional camera?

Description : Retina of the eye is comparable to which part of a traditional camera?

Last Answer : Lens

How is image formed on the retina of a human eye?

Description : How is image formed on the retina of a human eye?

Last Answer : Real and inverted

In Eye donation, which part of the eye used? A. Retina B. Iris C. Cornea (Answer) D. Optic nerve

Description : In Eye donation, which part of the eye used? A. Retina B. Iris C. Cornea (Answer) D. Optic nerve

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In which part of the eye lies the pigment that decides the colour of the eyes of a person--? A. Retina B. Iris (Answer) C. Cornea D. Pupal

Description : In which part of the eye lies the pigment that decides the colour of the eyes of a person--? A. Retina B. Iris (Answer) C. Cornea D. Pupal

Last Answer : B. Iris (Answer)

In eye donation, which one of the following parts of donor’s eye is utilized ? A. Iris B. Lens C. Cornea (Answer) D. Retina

Description : In eye donation, which one of the following parts of donor’s eye is utilized ? A. Iris B. Lens C. Cornea (Answer) D. Retina

Last Answer : C. Cornea (Answer)

When a person enters a dark room from bright light he is not able to see clearly for a little while because the? A. Eye is unable to adjust itself immediately B. Retina becomes insensitive momentarily C. Iris is unable to dilate the pupil immediately (Answer) D. Distance between the lens and retina take time to adjust

Description : When a person enters a dark room from bright light he is not able to see clearly for a little while because the? A. Eye is unable to adjust itself immediately B. Retina becomes insensitive ... to dilate the pupil immediately (Answer) D. Distance between the lens and retina take time to adjust

Last Answer : C. Iris is unable to dilate the pupil immediately (Answer)

Which part of the Camera is analogue to the retina in the human eye? A. Lens B. Film (Answer) C. Aperture D. Shutter

Description : Which part of the Camera is analogue to the retina in the human eye? A. Lens B. Film (Answer) C. Aperture D. Shutter

Last Answer : B. Film (Answer)

Sensitive layer of the eye is? A. Choriods B. Sclerotic C. Retina (Answer) D. Cornea E. None of these

Description : Sensitive layer of the eye is? A. Choriods B. Sclerotic C. Retina (Answer) D. Cornea E. None of these

Last Answer : C. Retina (Answer)

The following are true about spectral sensitivity of the retina: a. in scotopic conditions, the peak sensitivity of the eye is near 500 nm b. under photopic conditions the peak sensitivity is near 555 nm c. in the presence of a bright yellow steady background light the retina has a peak sensitivity near 440 nm to a 25-Hz stimulus d. all above

Description : The following are true about spectral sensitivity of the retina: a. in scotopic conditions, the peak sensitivity of the eye is near 500 nm b. under photopic conditions the peak sensitivity is near 555 nm c ... light the retina has a peak sensitivity near 440 nm to a 25-Hz stimulus d. all above

Last Answer : all above

The following are true about ocular circulation: a. only 4% of the total blood supply to the eye goes to the retina b. the choroidal blood flow in normal people is ten times that of the grey mater of the brain c. autoregulation occurs in both retinal and choroidal circulation d. a PaCO2 rise of 1 mm Hg induces a 3% rise in retinal blood flow

Description : The following are true about ocular circulation: a. only 4% of the total blood supply to the eye goes to the retina b. the choroidal blood flow in normal people is ten times that of the grey mater ... and choroidal circulation d. a PaCO2 rise of 1 mm Hg induces a 3% rise in retinal blood flow

Last Answer : a PaCO2 rise of 1 mm Hg induces a 3% rise in retinal blood flow

The following are true about the Troxler's phenomenon: a. it refers to disappearance of an image during steady fixation of another object b. it only occurs in the peripheral retina c. eye movement eliminates this phenomenon d. movement of the object eliminates this phenomenon

Description : The following are true about the Troxler's phenomenon: a. it refers to disappearance of an image during steady fixation of another object b. it only occurs in the peripheral retina c. eye movement eliminates this phenomenon d. movement of the object eliminates this phenomenon

Last Answer : movement of the object eliminates this phenomenon

The following are true: a. depth of perception only occurs in patients with normal visual acuities in both eye b. Hering's law states that increased innervation to an extraocular muscle is accompanied by a decrease in innervation to its antagonists. c. objects on the Panum's area fall on simultaneous areas of the retina d. objects outside of the Panum's area are perceived as doubl

Description : The following are true: a. depth of perception only occurs in patients with normal visual acuities in both eye b. Hering's law states that increased innervation to an extraocular muscle is ... simultaneous areas of the retina d. objects outside of the Panum's area are perceived as doubl

Last Answer : objects outside of the Panum's area are perceived as doubl

Photoreceptors (Rods and cones) of eye are present in (a) Sclera (b) Cornea (c) Retina (d) Pupil

Description : Photoreceptors (Rods and cones) of eye are present in (a) Sclera (b) Cornea (c) Retina (d) Pupil

Last Answer : (c) Retina

Sensitive pigmented layer of eye is (a) cornea (b) retina (c) sclerotic (d) iris.

Description : Sensitive pigmented layer of eye is (a) cornea (b) retina (c) sclerotic (d) iris.

Last Answer : (b) retina

Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions characteristics. (a) C-Aqueous chamber-Reflects the light which does not pass through the lens. (b) D - Choroid - Its anterior part forms ciliary body. (c) A - Retina - Contains photoreceptors, i.e., rods and cones. (d) B - Blind spot-Has only a few rods and cones.

Description : Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions characteristics. (a) C-Aqueous chamber-Reflects the light which does not ... , i.e., rods and cones. (d) B - Blind spot-Has only a few rods and cones.

Last Answer : (c) A - Retina - Contains photoreceptors, i.e., rods and cones.

Wuchereria bancrofti manifests its presence in the human tissues by a. Swimmer's Itch. b. Swollen Arms and Legs. c. Severe Diarrhea. d. Damage to the Retina of the Eye.

Description : Wuchereria bancrofti manifests its presence in the human tissues by a. Swimmer's Itch. b. Swollen Arms and Legs. c. Severe Diarrhea. d. Damage to the Retina of the Eye.

Last Answer : b. Swollen Arms and Legs.

In the retina of eye cells what is present for colour differentiation?

Description : In the retina of eye cells what is present for colour differentiation?

Last Answer : Cones

In the retina of eye cells what is present for colour differentiation?

Description : In the retina of eye cells what is present for colour differentiation?

Last Answer : Cones

What is the use of physical characteristics — such as your fingerprint, the blood vessels in the retina of your eye, the sound of your voice, or perhaps even your breath — to provide identification? a. Backup b. Anti‐virus c. Firewall d. Biometrics

Description : What is the use of physical characteristics — such as your fingerprint, the blood vessels in the retina of your eye, the sound of your voice, or perhaps even your breath — to provide identification? a. Backup b. Anti‐virus c. Firewall d. Biometrics

Last Answer : d. Biometrics

1. Retina of the eye is comparable to which part of a traditional camera? 2. Lotteries organised by the government of a State come under which list? 3. Which gas is used for refrigeration? 4. Which region of the world is most thickly populated? 5. The Champaran Satyagraha was started by Mahatma Gandhi in which year?

Description : 1. Retina of the eye is comparable to which part of a traditional camera? 2. Lotteries organised by the government of a State come under which list? 3. Which gas is used for refrigeration? 4. ... and other Judges of the High Court are appointed? 19. Which soil is most suited for tea plantation?

Last Answer : Answer : 1. Lens 2. State List 3. Ammonia 4. East Asia 5. 1917 6. High interest rates 7. 2001-2010 8. Fungi 9. Kirghiz 10. Kakori Conspiracy Case 11. Chandigarh 12. Work and torque 13. Youth 14. Rubber 15. Khizr Khan 16. Pt. Jawahar Lal Nehru 17. Shark 18. President 19. Acidic 20. Muhammad Gori

When a person walking in bright Sunlight enters a dark room, he is not able to see clearly for a little while because (1) the eye muscles cannot immediately adjust the focal length of the eye lens. (2) the retina retains the bright images for sometime and becomes momentarily insensitive. (3) the iris is unable to contract the pupil immediately. (4) the iris is unable to dilate the pupil immediately.

Description : When a person walking in bright Sunlight enters a dark room, he is not able to see clearly for a little while because (1) the eye muscles cannot immediately adjust the focal length of the eye ... is unable to contract the pupil immediately. (4) the iris is unable to dilate the pupil immediately.

Last Answer : the iris is unable to dilate the pupil immediately.

What is the way to get rid of eye irritation or itching ?

Description : What is the way to get rid of eye irritation or itching ?

Last Answer : Irritation or itching of the eyes is a very common problem. This problem is due to the fact that the environment is very polluted or the season is very allergic. However, when there is itching or burning in the eyes, it is ... this water. 3. Follow this procedure 2/3 times a day.

How to get rid of eye fatigue ?

Description : How to get rid of eye fatigue ?

Last Answer : Cucumber We often see many people lying in the parlor with a piece of cucumber in their eyes. One of the reasons for this is that cucumber is one of the great medicines to reduce the fatigue of our ... into the eyes. After applying the gel for a while, wash your eyes. Your eye fatigue will decrease.

Can I use glasses in front of computer all the time ? You have to work on the computer all the time. I know there is a lot of damage to the eyes , but what to do. I want to use one type of spectacles to reduce eye damage. What kind of glasses do I use to reduce the damage to my eyes ?? I would be happy to say the price of the glasses , please.

Description : Can I use glasses in front of computer all the time ? You have to work on the computer all the time. I know there is a lot of damage to the eyes , but what to do. I want to use one type of ... use to reduce the damage to my eyes ?? I would be happy to say the price of the glasses , please.

Last Answer : I myself use computer for 8 hours even if it is less throughout the day. I have been using computer for 10 years , Alhamdulillah I have no problem. If you keep your eyes closed for half an ... the market. Price 1200-1500 rupees If you have symptoms like headache , blurred vision, consult a doctor.

How many seconds does it take to blink an eye ?

Description : How many seconds does it take to blink an eye ?

Last Answer : It takes 0.4 seconds to blink an eye

What do I do when I see less in the left eye ?

Description : What do I do when I see less in the left eye ?

Last Answer : In general, the reason for seeing less in the eyes is due to excessive dust and sand entering the eyes. And if you start seeing less, then see an eye specialist doctor very soon. Take his advice.

What is the cornea of the eye ?

Description : What is the cornea of the eye ?

Last Answer : The cornea is the transparent part of the front of the eye. It covers the Irish and the Pupils. A pupil is a hole in the middle of the Irish that looks black in cataract-free eyes and gray or ... fall on the retinal retina. Then we see an object. The cornea helps in the penetration of light rays.

What happens when right eye and left eye jump ?

Description : What happens when right eye and left eye jump ?

Last Answer : These are all blind beliefs. There is no similarity with anything or any event. The people of the ancient times introduced this practice and still some people in the villages believe these things. You ... keep one thing in mind , these are all superstitions. There is no scientific argument about it.

Reading a book for a long time will cause eye damage. ?

Description : Reading a book for a long time will cause eye damage. ?

Last Answer : Experts say that if you read a lot of books close to your eyes, it will cause eye damage. However, you can read books away from the eyes.

Which of the following is more harmful to the eye between Android and Button phones? ?

Description : Which of the following is more harmful to the eye between Android and Button phones? ?

Last Answer : Of course android cause. Ultraviolet rays emit a lot of damage from phone. We see only Al But there is a ray of damage hidden behind Aller. Come on in, take a look and enjoy yourself!

Name the best two eye hospitals in Dhaka ?

Description : Name the best two eye hospitals in Dhaka ?

Last Answer : Harun Eye Care , Dhanmondi-6. Lions Eye Hospital , Agargaon.

How long does a petal of our eye survive ?

Last Answer : : 150 days. Then it falls off by itself.

Anyone have this problem with an iPad 2 with Retina?

Description : Anyone have this problem with an iPad 2 with Retina?

Last Answer : answer:First of all, the iPad 2 did not have Retina Display. The two iPad models released in spring and fall of 2012 have Retina Display. My iPad is the spring 2012 model, and my fiancé has ... Apple-focused forums and sites out there, such as MacWorld.com, and The Unofficial Apple Weblog TUAW.com.

If someone dies with their eyes open does the lens still focus an image on the retina?

Description : If someone dies with their eyes open does the lens still focus an image on the retina?

Last Answer : I’m sure it does until the brain stops being able to process that image.. making it a moot point.