optical

1. Of or relating to sight; visual.

   Strabismus is an optical defect.

   relating to or using sight

2. Designed to assist or enhance sight

   A microscope is an optical instrument.

   опти́ческийoptíčeskij

3. Of or relating to optics.

   Refraction is an optical effect.

   of or relating to or involving light or optics

4. Of or relating to visible light.

   Optical telescopes don't work when it is cloudy.

   опти́ческийoptíčeskij

   of or relating to or resembling the eye

5. Incorporating light-sensitive devices.

   An optical switch opens the door automatically.

   опти́ческийoptíčeskij

1. This looks longer than that, but it is an optical illusion.

   ruЭто кажется длиннее, чем то, но это оптическая иллюзия.

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2. My laptop doesn't have an optical disk drive.

   ruВ моём ноутбуке нет оптического дисковода.

   deMein Laptop hat kein optisches Laufwerk.

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3. Lenses with two distinct optical powers are also called "bifocals".

   ruДвухфокусные линзы также называются бифокальными.

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4. The use of optical instruments with this product will increase eye hazard.

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5. An optical illusion makes the second object look larger than the first.

   ruИз-за обмана зрения кажется, что второй предмет больше первого.

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