Examples of using Refractive in English and their translations into Hindi
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Colloquial
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Ecclesiastic
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Ecclesiastic
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Computer
Refractive index η020.
Naphthol Refractive Index.
Refractive Errors and many more.
Keto DHEA Refractive index: 1.569.
Refractive surgery can reduce or even eliminate your need for glasses or contacts.
People also translate
Myopia or nearsightedness is a refractive defect in the eye.
For example: A light wave with frequency f,speed v, and wavelength λ crosses from air to a medium with refractive index 1.5.
He said that glaucoma and refractive error are the most common and easily preventable causes of blindness.
All patents are referred to as"Folding lens systems" andhave three to five"refractive lenses.".
High refractive error or astigmatism in both eyes, since there is a blurred image in both eyes, the normal vision development does not occur in either eyes resulting in bilateral lazy eyes.
Children and young adults who want to be glasses-free but are too young for LASIK orare not good candidates for refractive surgery for other reasons(dry eyes, for example) often are good candidates for ortho-k.
In the event you have some mild refractive errors present after surgery(this is common), you may want to wear eyeglasses with progressive lenses full-time after your surgery to attain the best possible vision at all distances.
One of the ophthalmologists on Eyehealthweb's editorial board says that,“CK is a failed surgerythat never took off… I do not think it was a correct direction in refractive surgery(and it has[nearly] perished to non-existence).”.
Given a light source and a spherical ball of certain refractive index, the closest point on the spherical ball where the light is refracted to the eye of the observer can be obtained by solving a tenth degree equation.
While most people see very clearly without glasses after laser vision correction, youstill might need or desire corrective lenses for certain activities(driving at night, for example) if you have mild residual refractive error after surgery.
In keratoplasty, donors cannot be very young(the cornea is floppy andmay give poor refractive results), over 70 years old(there are low endothelial cell counts) or with intrinsic eye disease or previous intraocular surgery.
Refractive surgery has been performed for about 100 years[2] but it is only in the past few decades that it has really expanded and techniques have been refined- mainly due to the emergence of lasers and their use in this type of surgery.
The primary reason there's a minimum age requirement for LASIK is toincrease the likelihood that your eyes are stable and your refractive error- the amount of nearsightedness, farsightedness and/or astigmatism you have- is unlikely to change after you have your LASIK surgery.
The reverse is the greatest refractive power inhorizontal meridian. In this case, the person sees more precisely the horizontal lines. This type of astigmatism is diagnosed extremely rarely, but vision in this case decreases more rapidly and faster.
Quite a bit of attention is being focused on higher-order aberrations these days because they finallycan be diagnosed by wavefront technology(aberrometry) and because they recently have been identified as sometimes serious side effects of refractive surgery.
If you have keratoconus and are interested in refractive surgery to correct your nearsightedness or other refractive errors, the first step is to have your cornea carefully examined by an eye doctor- preferably a keratoconus specialist.
A study of the reversibility of Intacs for nearsightedness, found that, at three months following removal of the Intacs corneal ring segments,20 of 21 eyes returned to within 1.0 D of their preoperative refractive error and there were no surgical or postoperative complications.
Also called ortho-k or corneal refractive therapy, orthokeratology is the wearing of specially designed gas permeable contact lenses at night while you sleep to reshape your eyes for good vision without glasses or contacts during the day.
In absolute measurements, the result depends on the accuracy for which the instrument was calibrated, and for this reason the refractometers are mainlyused for measurements by a differential method involving comparison of the refractive indices of known and unknown solutions for which the coefficient differences are small.
Due to the smaller number of boundaries(such as glass/ air)with very different refractive indices, such screens look better with strong external illumination, but repairing them in the case of cracked external glass is much more expensive, since the entire screen has to be changed.
He also concluded that rays refract at distinct angles- hence, the prismatic spectrum, a beam of heterogeneous rays, i.e., alike incident on one face of a prism, separated or analyzed by the refraction into its component parts-and that phenomena such as the rainbow are produced by refractive analysis.
If you have only minimal refractive error remaining after LASIK and you choose not to have an enhancement or you're not a good candidate for additional surgery, consider purchasing eyeglasses for driving at night and other tasks where your vision might seem bothersome.
Regarding MgO: LN Crystal, the refractive index of an optical medium is altered by the presence of sound, this is called acousto-optic effect which can be used in many devices include optical modulators, q switches, deflectors, filters, frequency shifters and spectrum analyzers.