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Why Do Progressive Lenses Have Distortion at The Sides?

36,788 views

Laramy-K Optical

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

91%
  • 15:08 / 16:32

Speech Rate:

  • 142 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

subscribe

/səbˈskrīb/

verb

arrange to receive something regularly by paying in advance.

project
noun verb

A planned piece of work for specific purpose. To show something on a screen using light.

optical

/ˈäptək(ə)l/

adjective

relating to sight.

familiar

/fəˈmilyər/

adjective noun

Well-known or easily recognized. demon supposedly obeying witch.

peripheral

/pəˈrif(ə)rəl/

adjective noun

situated on edge or periphery. peripheral device.

trouble

/ˈtrəb(ə)l/

noun verb

difficulty or problems. cause distress or anxiety to.

garbage

/ˈɡärbij/

noun

Waste material that has been thrown out.

welcome - welcome

/ˈwelkəm/

adjective exclamation noun verb

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. greet someone arriving in polite or friendly way.

unwanted

/ˌənˈwän(t)əd/

adjective

not or no longer desired.

certain

/ˈsərtn/

adjective pronoun

Referring to an unspecified amount or quantity. some.

absolutely

/ˈabsəˌl(y)o͞otlē/

adverb

Completely; totally; very.

adventure

/adˈven(t)SHər/

noun verb

An exciting and often dangerous experience. To have an exciting or dangerous experience.

progressive

/prəˈɡresiv/

adjective noun

happening or developing gradually. advocate of social reform.

watching

/wäCH/

verb

To protect and care for someone or something.

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