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Glasses and Contact Lens Prescription Explained | Eyes Explained

354,592 views

Eyes Explained

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

99%
  • 6:44 / 6:48

Speech Rate:

  • 192 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

exactly

/iɡˈzak(t)lē/

adverb

used to emphasize accuracy of figure or description.

require

/rəˈkwī(ə)r/

verb

To demand that someone does something.

achieve

/əˈCHēv/

verb

successfully bring about or reach desired objective or result.

numbers

/ˈnəmbər/

noun other verb

arithmetical value expressed by word, symbol, or figure. Particular songs or dances performed during shows. To put numbers on things.

typical

/ˈtipik(ə)l/

adjective

having distinctive qualities of particular type of person or thing.

positive

/ˈpäzədiv/

adjective noun

Having the charge produced by electrons. positive quality.

required

/rəˈkwī(ə)rd/

adjective verb

officially compulsory, or otherwise considered essential. To need something, to make it necessary.

dioptre

/dīˈäptər/

noun

.

determines

/dəˈtərmən/

verb

To establish the facts about; discover.

whether

/ˈ(h)weT͟Hər/

conjunction

expressing doubt or choice between alternatives.

properly

/ˈpräpərlē/

adverb

correctly or satisfactorily.

neither

/ˈnēT͟Hər/

adjective adverb conjunction determiner pronoun

Not one or the other not either none of two things. used before first of two alternatives to indicate that they are each untrue. Not in either case. not one nor other of two people or things. not the one nor the other of two people or things.

focussed

/ˈfōkəs/

verb

become able to see clearly.

focusing

/ˈfōkəs/

verb

become able to see clearly.

abbreviation

/əˌbrēvēˈāSH(ə)n/

noun

shortened form of word or phrase.

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