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  2. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    Yoked prism can move the image away from primary gaze without the need for a constant head tilt or turn. [1] Prism correction is measured in prism dioptres. A prescription that specifies prism correction will also specify the "base". The base is the thickest part of the lens and is opposite from the apex.

  3. Adjustable-focus eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

    Adjustable-focus eyeglasses. Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has ...

  4. iPhone 11 Pro - Wikipedia

    en.wikipedia.org/wiki/IPhone_11_Pro

    The iPhone 11 Pro has a 5.85 inch (149 mm) (marketed as 5.8-inch (15 cm)) OLED display with a resolution of 2436 × 1125 pixels (2.7 megapixels), while the iPhone 11 Pro Max has a larger 6.46 inch (164 mm) (marketed as 6.5-inch (17 cm)) OLED display with a resolution of 2688 × 1242 pixels (3.3 megapixels) which both have a pixel density of 458 ...

  5. The best lenses for iPhone and Android phones in 2022 ... - AOL

    www.aol.com/news/best-lenses-iphone-android...

    The best lenses for iPhone and Android phones will elevate your photos and vidos giving them a more professional feel The best lenses for iPhone and Android phones in 2022: add-on phone lenses ...

  6. Ophthalmic trial frame - Wikipedia

    en.wikipedia.org/wiki/Ophthalmic_trial_frame

    An ideal trial frame have minimum 3 cells, one each for holding spherical lens, cylindrical lens and other tools like occluder or pinhole. [4] Angle for axis of astigmatism is marked on outermost visible cell There are knobes to adjust pupillary distance, side angle, height and cylindrical lens axis. [5]

  7. iPhone 11 - Wikipedia

    en.wikipedia.org/wiki/IPhone_11

    The iPhone 11 includes a dual-lens 12 MP rear camera array. It has one ƒ/2.4 ultra-wide-angle lens with a 120° field of view and 2× optical zoom out, and one ƒ/1.8 wide-angle lens. The iPhone 11 supports 4K video at up to 60 fps and 1080p slow motion at up to 240 fps. [2]

  8. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    Glasses, also known as eyeglasses and spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces that rest over the ears. Man with glasses. Glasses are typically used for vision correction ...

  9. iPhone 12 - Wikipedia

    en.wikipedia.org/wiki/IPhone_12

    The wide camera is a 26 mm full-frame equivalent with an f/1.6 aperture which captures 27% more light than the f/1.8 aperture in the iPhone 11 [20] and a seven-element lens. The ultra-wide camera is a 13 mm full-frame equivalent with an f/2.4 aperture and a five-element lens.

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