Achromatic Vision in Detail

Useful Words

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Achromatic, Neutral : کالے اور سفید کے درمیانی رنگ : having no hue. "Neutral colors like black or white".

Achromatic Color, Achromatic Colour : کالا ، سرمئی یا سفید رنگ : a color lacking hue; white or grey or black.

Achromatic Lens : عدسوں کا ملاپ : a compound lens system that forms an image free from chromatic aberration.

Color Blindness, Color Vision Deficiency, Colour Blindness, Colour Vision Deficiency : رنگوں میں تمیز کرنے کی قابلیت نہ ہونا : genetic inability to distinguish differences in hue. "Color blindness test in army camp".

Diplopia, Double Vision : دو نظری : visual impairment in which an object is seen as two objects. "Diplopia often disappears when one eye is covered".

Field Of Regard, Field Of Vision, Visual Field : وہ ایریا جس میں سے ساکن آنکھ سے اشیا کو دیکھا جا سکتا ہو : all of the points of the physical environment that can be perceived by a stable eye at a given moment.

Monochromacy, Monochromasy, Monochromatic Vision, Monochromatism, Monochromia : رنگوندہا پن : complete color blindness; colors can be differentiated only on the basis of brightness.

Night Vision, Night-Sight, Scotopic Vision, Twilight Vision : کم روشنی میں دیکھنے کی طاقت : the ability to see in reduced illumination (as in moonlight).

Stereoscopic Vision, Stereoscopy : مجسم بینی : three-dimensional vision produced by the fusion of two slightly different views of a scene on each retina.

Imagination, Imaginativeness, Vision : تصوریت : the formation of a mental image of something that is not perceived as real and is not present to the senses. "Someone set their home on fire and rescued team couldn`t enter house because vision was blur".

Argus-Eyed, Hawk-Eyed, Keen-Sighted, Lynx-Eyed, Quick-Sighted, Sharp-Eyed, Sharp-Sighted : تیز نظر : having very keen vision. "Quick-sighted as a cat".

Seeing : بینا : having vision, not blind.

Dim-Sighted, Near-Blind, Purblind, Sand-Blind, Visually Challenged, Visually Impaired : دھیمی نظر والا : having greatly reduced vision.

Eyesight, Seeing, Sightedness : آنکھ کی بینائی : normal use of the faculty of vision. "He eyesight sounds weak".

Curtain : روکاوٹ : any barrier to communication or vision. "A curtain of secrecy".

Clear-Sighted : تیز نظر : having sharp clear vision.

Sight : نظر : a range of mental vision. "In his sight she could do no wrong".

Blur, Film Over, Glaze Over : دھندلا ہونا : become glassy; lose clear vision. "His eyes glazed over from lack of sleep".

Bedazzle, Daze, Dazzle : آنکھیں چندھیا جانا : to cause someone to lose clear vision, especially from intense light. "She was dazzled by the bright headlights".

Retinopathy : ریٹینا کا ایک مرض : a disease of the retina that can result in loss of vision.

Lens Maker, Optician : عینک والا : a worker who makes glasses for remedying defects of vision.

Blaze, Brilliance, Glare : چمک : a light within the field of vision that is brighter than the brightness to which the eyes are adapted. "A glare of sunlight".

Glaucoma : آنکھ کی بیماری جو دیدہ کو نقصان پہنچاتی ہے : an eye disease that damages the optic nerve and impairs vision (sometimes progressing to blindness). "Contrary to popular belief, glaucoma is not always caused by elevated intraocular pressure".

Eyeglass, Monocle : یک چشمی عینک : lens for correcting defective vision in one eye; held in place by facial muscles.

Keratitis : قرنیہ کی سوزش : inflammation of the cornea causing watery painful eyes and blurred vision.

Oculist, Optometrist : آنکھ کا طبیب : a person skilled in testing for defects of vision in order to prescribe corrective glasses.

Acuity, Sharp-Sightedness, Visual Acuity : تیزی سے دیکھنے کی قوت : sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart).

Eyeglasses, Glasses, Specs, Spectacles : عینک : optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision. "Put off the glasses".

A, Antiophthalmic Factor, Axerophthol, Vitamin A : حیاتین اے : any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes.

Accommodating Iol, Accommodating Lens Implant : آنکھ میں لینس لگانے کا عمل : a lens implant containing a hinge that allows for both near and far vision (thus mimicking the natural lens of a young person).

Farsightedness, Hypermetropia, Hypermetropy, Hyperopia, Longsightedness : دور کے مقابلے قریب کی نظر کی کمزوری : abnormal condition in which vision for distant objects is better than for near objects. "Hypermetropia is also known as Farsightedness".