Myopia is the same as (1) Near sightedness (2) Astigmatism (3) Presbyopia (4) Long sightedness

Myopia is the same as (1) Near sightedness (2) Astigmatism (3) Presbyopia (4) Long sightedness
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Near sightedness 
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Distant objects are visible as a little out of focus in this condition – (1) presbiopia (2) hypermetropia (3) astigmatism (4) myopia

Description : Distant objects are visible as a little out of focus in this condition – (1) presbiopia (2) hypermetropia (3) astigmatism (4) myopia

Last Answer : (4) myopia Explanation: Myopia, also known as nearsightedness and short-sightedness, is a condition of the eye where the light that comes in does not directly focus on the retina but in front of it, causing ... at a distant object to be out of focus, but in focus when looking at a close object.

Cylindrical lens is used by a person suffering from - (1) astigmatism (2) myopia (3) hypermetropia (4) None of these

Description : Cylindrical lens is used by a person suffering from - (1) astigmatism (2) myopia (3) hypermetropia (4) None of these

Last Answer : (1) astigmatism Explanation: A cylindrical lens is typically used to focus, condense or expand incoming light. A cylindrical lens has one cylindrical surface, causing light to be focused in a single dimension or axis.

Distant objects are visible as a little out of focus in this condition : (1) presbiopia (2) hypermetropia (3) astigmatism (4) myopia

Description : Distant objects are visible as a little out of focus in this condition : (1) presbiopia (2) hypermetropia (3) astigmatism (4) myopia

Last Answer : myopia

Among the defects of eye, the shortsightedness is called - (1) coma (2) hypermetropia (3) myopia (4) astigmatism

Description : Among the defects of eye, the shortsightedness is called - (1) coma (2) hypermetropia (3) myopia (4) astigmatism

Last Answer : (3) myopia Explanation: Myopia, commonly known as being nearsighted and shortsighted. It is a condition of the eye where the light that comes in does not directly focus on the retina but in ... . It may also be corrected by refractive surgery, though there are cases of associated side effects.

Among the defects of eye, the shortsightedness is called (1) coma (2) hypermetropia (3) myopia (4) astigmatism

Description : Among the defects of eye, the shortsightedness is called (1) coma (2) hypermetropia (3) myopia (4) astigmatism

Last Answer : myopia

Which of the following terms refers to the decrease in lens flexibility that occurs with age, resulting in the near point of focus getting farther away? a) Presbyopia Presbyopia usually begins in the fifth decade of life, when reading glasses are required to magnify objects. b) Presbycusis Presbycusis refers to age-related hearing loss. c) Cataract Cataract is the development of opacity of the lens of the eye. d) Glaucoma Glaucoma is a disease characterized by increased intraocular pressure.

Description : Which of the following terms refers to the decrease in lens flexibility that occurs with age, resulting in the near point of focus getting farther away? a) Presbyopia Presbyopia usually begins in ... lens of the eye. d) Glaucoma Glaucoma is a disease characterized by increased intraocular pressure.

Last Answer : a) Presbyopia Presbyopia usually begins in the fifth decade of life, when reading glasses are required to magnify objects.

Near Point for Long sightedness defected person is–

Description : Near Point for Long sightedness defected person is–

Last Answer : More than 25cm

The person suffering from “myopia” cannot see the objects at: (1) Near distance (2) Longer distance (3) any distance (4) Close to eye

Description : The person suffering from “myopia” cannot see the objects at: (1) Near distance (2) Longer distance (3) any distance (4) Close to eye

Last Answer : (2) Longer distance Explanation: Nearsightedness, also known as myopia, is a common type of refractive error where close objects appear clearly, but distant objects appear blurry.

What is the distance that separates near-sightedness and far-sightedness?

Description : What is the distance that separates near-sightedness and far-sightedness?

Last Answer : I think the middle-ground is regular vision? You could have astigmatism if you have trouble seeing near and far.

Which among the following lens is used to correct Presbyopia? (1) Concave (2) Convex (3) Cylindrical (4) Bifocal

Description : Which among the following lens is used to correct Presbyopia? (1) Concave (2) Convex (3) Cylindrical (4) Bifocal

Last Answer : (4) Bifocal Explanation: Presbyopia is a condition associated with aging of the eye those results in progressively worsening ability to focus clearly on close objects. By far the most common treatment 4 for presbyopia is bifocal or pro gressive lens eyeglasses.

Presbyopia?

Description : Presbyopia?

Last Answer : DefinitionPresbyopia is a condition in which the lens of the eye loses its ability to focus, making it difficult to see objects up close.Causes, incidence, and risk factorsThe ... ability for near objectsEyestrainHeadacheSigns and testsThe health care provider will perform a general eye examin

What is Presbyopia?

Description : What is Presbyopia?

Last Answer : Presbyopia is a defect in which a person can see neither near-by nor far off objects clearly. It occurs at old age due to the loss of elasticity of eye lens.

Which one of the following lenses should be used to correct the defect of astigmatism? (1) Cylindrical lens (2) Concave lens (3) Convex lens (4) Bifocal lens

Description : Which one of the following lenses should be used to correct the defect of astigmatism? (1) Cylindrical lens (2) Concave lens (3) Convex lens (4) Bifocal lens

Last Answer : (1) Cylindrical lens Explanation: Astigmatism is an optical defect in which vision is blurred due to the inability of the optics of the eye to focus a point object into a sharp focused image ... lens, and cannot be corrected by standard spectacle lenses, but can be corrected by contact lenses.

Which one of the following is used to remove Astigmatism for a human eye? (1) Concave lens (2) Convex lens (3) Cylindrical lens (4) Prismatic lens

Description : Which one of the following is used to remove Astigmatism for a human eye? (1) Concave lens (2) Convex lens (3) Cylindrical lens (4) Prismatic lens

Last Answer : (3) Cylindrical lens Explanation: A cylindrical lens is a lens which focuses light into a line instead of a point, as a spherical lens would.

Which one of the following lenses should be used to correct the defect of astigmatism ? (1) Cylindrical lens (2) Concave lens (3) Convex lens (4) Bifocal lens

Description : Which one of the following lenses should be used to correct the defect of astigmatism ? (1) Cylindrical lens (2) Concave lens (3) Convex lens (4) Bifocal lens

Last Answer : Cylindrical lens

Differentiate Short-sightedness and Long-sightedness. -SST 10th

Description : Differentiate Short-sightedness and Long-sightedness. -SST 10th

Last Answer : ' Short-sightedness and Long-sightedness Short-SightednessLong-Sightedness(i) The inability of the eye lens to focus images of distant objects on the retina; so the images fall in front of the retina ... is corrected by using glasses of concave lens.It is corrected by using glasses of convex lens.

Define short-sightedness and long-sightedness.

Description : Define short-sightedness and long-sightedness.

Last Answer : In short-sightedness a person can see near objects clearly but distant object appear blurred. In long-sightedness a person can see distant objects clearly but near object appear blurred.

What type of lens is used to correct vision of a person suffering from Myopia? (1) Convex lens (2) Concave lens (3) Crossed lens (4) Cylindrical lens

Description : What type of lens is used to correct vision of a person suffering from Myopia? (1) Convex lens (2) Concave lens (3) Crossed lens (4) Cylindrical lens

Last Answer : (2) Concave lens Explanation: Near-sightedness, also known as short-sightedness and myopia, is a condition of the eye where light focuses in front of, instead of on, the retina. This causes distant objects to be blurry while close objects appear normal.

Persons suffering from myopia are advised to use – (1) convex lens (2) concave lens (3) piano-convex lens (4) plano-concave lens

Description : Persons suffering from myopia are advised to use – (1) convex lens (2) concave lens (3) piano-convex lens (4) plano-concave lens

Last Answer : (2) concave lens Explanation: A concave lens is used to correct short-sightedness (myopia). In myopia, images are formed in front of the retina, resulting in a blurred image. This occurs when the ... too long or the refractive powers of the cornea and lens of the eye are relatively too strong.

A man cannot see clearly beyond 10 meters. The disease he suffers from : (1) Far sight (2) Myopia (3) Cataract (4) Hypermetropia

Description : A man cannot see clearly beyond 10 meters. The disease he suffers from : (1) Far sight (2) Myopia (3) Cataract (4) Hypermetropia

Last Answer : (2) Myopia Explanation: The man suffers from myopia, a vision condition in which close objects are seen clearly, but objects farther away appear blurred. Nearsightedness occurs if the eyeball is too ... a result, the light entering the eye isn't focused correctly and distant objects look blurred.

What type of lens is used to correct vision of a person suffering from Myopia? (1) Convex lens (2) Concave lens (3) Crossed lens (4) Cylindrical lens

Description : What type of lens is used to correct vision of a person suffering from Myopia? (1) Convex lens (2) Concave lens (3) Crossed lens (4) Cylindrical lens

Last Answer :  Concave lens

Persons suffering from myopia are advised to use (1) convex lens (2) concave lens (3) plano-convex lens (4) plano-concave lens

Description : Persons suffering from myopia are advised to use (1) convex lens (2) concave lens (3) plano-convex lens (4) plano-concave lens

Last Answer : concave lens

A man cannot see clearly beyond 10 meters. The disease he suffers from : (1) Far sight (2) Myopia (3) Cataract (4) Hypermetropia

Description : A man cannot see clearly beyond 10 meters. The disease he suffers from : (1) Far sight (2) Myopia (3) Cataract (4) Hypermetropia

Last Answer : Myopia

If I'm using a manual focus lens, does my far-sightedness mean that my pictures will be out of focus?

Description : If I'm using a manual focus lens, does my far-sightedness mean that my pictures will be out of focus?

Last Answer : Just focus it until it’s as clear as it can be—it’s the best you can do.

Why does happen Short sightedness? -Do You Know?

Description : Why does happen Short sightedness? -Do You Know?

Last Answer : answer:

Which lenses are used by people having short-sightedness?

Description : Which lenses are used by people having short-sightedness?

Last Answer : Concave

Why does happen Short sightedness?

Description : Why does happen Short sightedness?

Last Answer : Due to elongation of eye balls

Which lenses are used by people having short-sightedness? A. Convex B. Concave (Answer) C. Concavo-convex D. Plain

Description : Which lenses are used by people having short-sightedness? A. Convex B. Concave (Answer) C. Concavo-convex D. Plain

Last Answer : B. Concave (Answer)

Short-sightedness can be corrected by using ------? A. Convex lens B. Concave lens (Answer) C. Convex-concave lens D. Concave-convex lens

Description : Short-sightedness can be corrected by using ------? A. Convex lens B. Concave lens (Answer) C. Convex-concave lens D. Concave-convex lens

Last Answer : B. Concave lens (Answer)

Short-sightedness can be corrected by using A.Convex lens B.Concave lens C.Convex-concave lens D.Concave-convex lens

Description : Short-sightedness can be corrected by using A.Convex lens B.Concave lens C.Convex-concave lens D.Concave-convex lens

Last Answer : B.Concave lens

How long after I have had vertigo is it safe to wear my new glasses? 1st time ever wearing glasses and I have astigmatism?

Description : How long after I have had vertigo is it safe to wear my new glasses? 1st time ever wearing glasses and I have astigmatism?

Last Answer : That’s a good question. I don’t know much about vertigo. But, I know with my glasses I cannot walk when I wear them becuase the floor is in the wrong place. I would guess if you tend to spin that kind of thing might be discombobulating. But, I don’t know if it could be a trigger.

ALSO CHECK: Long-sight defect could be corrected by using ----- lens? Deficiency of vitamin B1 is causes-----? A. Rickets B. Bone Infection C. Beriberi (Answer) D. Myopia

Description : ALSO CHECK: Long-sight defect could be corrected by using ----- lens? Deficiency of vitamin B1 is causes-----? A. Rickets B. Bone Infection C. Beriberi (Answer) D. Myopia

Last Answer : C. Beriberi (Answer)

Do you have an astigmatism and wear contacts?

Description : Do you have an astigmatism and wear contacts?

Last Answer : answer:Yes. I've got really bad vision and an astigmatism and have worn contacts for years. They are getting much better and the ones I've been the happiest with have been the Acuvue Oasys. They ... Hopefully you won't need Toric lenses, but I've heard those are really comfortable these days, too.

Can (or should) someone with a slight astigmatism get contacts?

Description : Can (or should) someone with a slight astigmatism get contacts?

Last Answer : answer:There are contacts that correct for astigmatism but they can be irritating-they're weighted, so that they stay aligned on a vertical axis, and in theory, they shift slightly with each blink. I never ... fine, especially if you're only wearing them while running. It wasn't a big deal for me.

Do i need to wear glasses for a while before getting contacts for my astigmatism?

Description : Do i need to wear glasses for a while before getting contacts for my astigmatism?

Last Answer : answer:I have an astigmatism and I own both glasses and contacts. There is no real reason you can't start with the contacts, but you will want to buy a back-up pair of glasses anyway ( ... just a year's supply of disposable contact lenses - even if they are the specialized contacts for astigmatism.

Which is used to remove astigmatism for a human eye? -Do You Know?

Description : Which is used to remove astigmatism for a human eye? -Do You Know?

Last Answer : answer:

What are Symptoms of astigmatism How to treat astigmatism?

Description : What are Symptoms of astigmatism How to treat astigmatism?

Last Answer : What does astigmatism meanA type of visual impairment. Due to the irregular curvature of the cornea or lens surface in the eyeball, the focal point formed by the ... The refractive index variesSymptoms of astigmatism1.Decreased vision2.Asthenopia3.Compensation for head position and squinting

Astigmatism?

Description : Astigmatism?

Last Answer : DefinitionAstigmatism is an eye disorder in which the cornea (the clear tissue covering the front of the eye) is abnormally curved, causing out-of-focus vision.Causes, incidence, and risk factorsThe ... respond to questions can have the degree of their vision problem measured by a test that us

What brand of contact lens are made for astigmatism?

Description : What brand of contact lens are made for astigmatism?

Last Answer : Yes, there are indeed contact mafe for people with astigmatism. Acuvue makes a great set of contacts for people with astigmatism.

Can astigmatism be corrected by lenses during cataract surgery?

Description : Can astigmatism be corrected by lenses during cataract surgery?

Last Answer : What's possible in today's world of eyecare is simply amazing. There are now specialty lenses that treat astigmatism that are used after cataract surgery, effectively improving the patient's vision.

Are there contacts that correct astigmatism?

Description : Are there contacts that correct astigmatism?

Last Answer : Depending on the degree of astigmatism, it is often possible to correct it with contacts. These type of contacts are called "toric" contacts and reshape the cornea to correct astigmatism.

Can astigmatism be corrected with laser vision surgery?

Description : Can astigmatism be corrected with laser vision surgery?

Last Answer : There are two types of astigmatisms, corneal astigmatism and lenticular astigmatism. Both of these types can be addressed and corrected by laser eye surgery.

Which one of the following is used to remove Astigmatism for a human eye? (1) Concave lens (2) Convex lens (3) Cylindrical lens (4) Prismatic lens

Description : Which one of the following is used to remove Astigmatism for a human eye? (1) Concave lens (2) Convex lens (3) Cylindrical lens (4) Prismatic lens

Last Answer : (3) Cylindrical lens Explanation: In Astigmatism, eye cannot see objects in two orthogonal directions clearly simultaneously. This abnormality is removed by using cylindrical lens.

What is astigmatism? How can it be corrected?

Description : What is astigmatism? How can it be corrected?

Last Answer : Astigmatism is a defect in which, a person looking at horizontal or vertical lines appears distorted. It is caused due to the unevenness of the crystalline lens. It can be corrected by using cylindrical lenses.

A lens or combination of lenses in which the following defect is completely eliminated is called aplanatic (A) Spherical aberration (B) Chromatic aberration (C) Coma (D) Astigmatism

Description : A lens or combination of lenses in which the following defect is completely eliminated is called aplanatic (A) Spherical aberration (B) Chromatic aberration (C) Coma (D) Astigmatism

Last Answer : (A) Spherical aberration

The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known as (A) Chromatic aberration (B) Spherical aberration (C) Astigmatism (D) Coma

Description : The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known as (A) Chromatic aberration (B) Spherical aberration (C) Astigmatism (D) Coma

Last Answer : (A) Chromatic aberration

In CRO astigmatism is:

Description : In CRO astigmatism is:

Last Answer : In CRO astigmatism is: An additional focus control

What is myopia ?

Description : What is myopia ?

Last Answer : : Myopia is one of the 4 major diseases of the eye.

What type of lens is used to correct vision of a person suffering from Myopia?

Description : What type of lens is used to correct vision of a person suffering from Myopia?

Last Answer : Concave lens

Ability of the eye to see objects at all distances is called (a) Binocular vision (b) Myopia (c) Hypermetropia (d) Accommodation

Description : Ability of the eye to see objects at all distances is called (a) Binocular vision (b) Myopia (c) Hypermetropia (d) Accommodation

Last Answer : Ans:(d)