It's known as presbyopia, also called old age hypermetropia (as this defect is commonly observed in elders) and it can be corrected by wearing bi-focal lens.Thank You Sir
If a person have both Myopia and Hypermetropia means they can't able to see nearby and far away object... It is known as Presbyopia... It can be corrected with Bifocal lens ❤
Hello Sir, Biconcave and Biconvex lenses r used 4 both defect visions hypermetropia and myopia..thnx.. Respected sir u r videos r suchly too amazing and incredible pls continue uploading like this Videos on other topics also like heart etc and Reproduction etc ..❤😊😊
The condition where both myopia and hypermetropia are present is called anisometropia. In presbyopia, near by objects cant be seen due weakening of ciliary muscles and diminishing flexibility of the eye lens.
Hii sir, why u kept biconcave lens front of the parallel rays in hypermetropia 6:48 But, why not u kept the biconcave lens before the parallel rays at the time of myopia 3:01 Please answer my question sir
Sir mentioned it already.... The near by object give divergent rays but distant object gives parallel rays thus in hypermetropia he uses a concave lens to show the diverging rays of the near object but in myopia he says rays of distant object (parallel).... This is the part where he mentions so 5:32 Hope it helps ❤
Presbyopia is a defect in which a person are not able to see far object clearly as well near object . They appears to come blurred. This defect can be corrected by usin bifocal lens.
I am one of them, who has both hypermetropia and myopia 😅 Bifocal lenses are used.. In my childhood I had hypermetropia and then I had myopia, and now I have both 🙃
Sir does the both lenses form image at the far point (myopic eye) and near point(hypermetropoc eye) which acts like object for the eye lens it forms image on retina ?🤔 Pls solve the query 🙏
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It's known as presbyopia, also called old age hypermetropia (as this defect is commonly observed in elders) and it can be corrected by wearing bi-focal lens.Thank You Sir
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Presbyopia occur due to loss of accomodations ability of lens with age
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Respected Sir,
Presbyopia (both myopic and hypermetropic eye) can be corrected by using Bi-focal lens.
If a person have both Myopia and Hypermetropia means they can't able to see nearby and far away object... It is known as Presbyopia... It can be corrected with Bifocal lens ❤
Presbyopia
Presbiopia can be corrected by using bi focal lens or concavo convex lens
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Such type of defect is called presbyopia and its corrected by Bifocal lenses..
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Hello Sir,
Biconcave and Biconvex lenses r used 4 both defect visions hypermetropia and myopia..thnx.. Respected sir u r videos r suchly too amazing and incredible pls continue uploading like this Videos on other topics also like heart etc and Reproduction etc ..❤😊😊
The condition where both myopia and hypermetropia are present is called anisometropia. In presbyopia, near by objects cant be seen due weakening of ciliary muscles and diminishing flexibility of the eye lens.
6:00 sir why you place concave lens between light rays and convex lens 😢
5:32 sir explained why he did so
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bi focal lens is used to correct both myopia and hypermetropia. the upper part of bifocal lens is concave lens and lower part is convex lens
There is no normal eye.
You are either myopia, of Hyperopia.
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Bi focal lens are used for correction of both myopia and hypermetropia
Bi-Focal lens used 9:03
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Great and easy explanation sir , thanku for this it would obviously help in eaxms .
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Hii sir, why u kept biconcave lens front of the parallel rays in hypermetropia 6:48
But, why not u kept the biconcave lens before the parallel rays at the time of myopia 3:01
Please answer my question sir
Sir mentioned it already.... The near by object give divergent rays but distant object gives parallel rays thus in hypermetropia he uses a concave lens to show the diverging rays of the near object but in myopia he says rays of distant object (parallel).... This is the part where he mentions so 5:32
Hope it helps ❤
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The condition is called is presbyopia usually seen in old people and they suggested to use bifocal lens
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Bifocal lens is used for person having both myopia and hypermetropia ( presbyopia)
Presbyopia is a defect in which a person are not able to see far object clearly as well near object . They appears to come blurred. This defect can be corrected by usin bifocal lens.
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To correct presbyopia we have to use both concave and convex upper part concave lower part convex
Positive and negative states of the normal dynamic eye.
Depends on your perspective - that might be a mistaken assumption.
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A nice presentation.
But normal eyes are not box cameras - that you must assume they are!
If a preson is suffering from both myopia and hypermetropia, so he should use bifocal lens.
Super! Correct answer!!
That's called presbiopia bte
*byopia
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Understood Easily. Thank you Sir
Thanks .Can you say the reason of myopia from early stages of a person ?
I am one of them, who has both hypermetropia and myopia 😅
Bifocal lenses are used..
In my childhood I had hypermetropia and then I had myopia, and now I have both 🙃
But, thans a ton sir!! For clearing my doubts about this topics.. Very useful video ❤
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very nice!! Thank you sir.
Both concave and convex we use for a person having myopia and hypermetropia
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Sir , can you plz tell me that why did you used the concave lens to diverge the rays of light in the case of hypermetropia?
Listen to this part ... Sir explained it 5:32
Sould I wear specs while reading and using mobile? I have myopia i can read book very clearly when it's near me. I can't see only far things.
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Sir does the both lenses form image at the far point (myopic eye) and near point(hypermetropoc eye) which acts like object for the eye lens it forms image on retina ?🤔 Pls solve the query 🙏
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Presbyopia both the concave and convex lens are been used
Like concave lens form a virtual image of object at distance ..Do convex lens also form virtual image at the near point of eye
??
no..convex lens form virtual image only when object is between focus and pole. It is impossible for this case to occur in case of eye lens.
Convex and concave lens is used for presbiopia.
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Can myopia be fixed with eye drops because of recent l went to the eye hospital and l was given systane ultra eye drops and optilyf capsules
Hii sir, answer is bifocal lens
Super! Right answer!
Presbyopia and bi focal lens is used
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Dr I was told by an eye specialist that I have a lazyeye(right eye) and can not be fixed...is it true?
Concave lens is used in both conditions
It can be corrected by wearing focal lens glasses
I have a doubt what happened in the case when people cannot see faraway object and nearby object
Bifocal or Progressive Lens is used
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Sir i have a question how can a biofocal lens covnerge and diverge rays
Sorry bifocal
Sir , I also have mayopia , is this a very serious disease
Bifocal lens is use to fix both myopia and hypermetropia sir
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Both concave and convex lens is prescribed by doctor
defect = presbiopia
lens = bifocal lens
Thanks a lot sir