Chapter 13- Introduction to low vision Part 1 (2) Flashcards

1
Q

Name the types of magnifiers

A

1- Spectacle magnifiers

2- Illuminated hand held magnifiers

3- Non- illuminated hand held magnifiers

4- Illuminated stand magnifiers

5- Non- illuminated stand magnifiers

6- Bar magnifier

7- Flat field magnifier

8- Telescopes

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2
Q

What magnifier is this?

A

Spectacle magnifiers

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3
Q

What are the advantages of a spectacle magnifier?

A

1- Hands free

2- Large Field of view

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4
Q

What are the disadvantages of a spectacle magnifier?

A

1- Short working distance

2- May be heavy

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5
Q

What activities can a spectacle magnifier be used for?

A

1- To read a book

2- To watch television

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6
Q

What magnifier is this?

A

Hand- held magnifier

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7
Q

What are the advantages of a hand held magnifier?

A

1- Cheap

2- Can be used at any distance from the eye

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8
Q

What are the disadvantages of a hand held magnifier?

A

1- Not good if hand tremor present

2- Only best suited for short duration tasks

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9
Q

What activities can a hand held magnifier be used for?

A

1- Reading a prescription

2- Writing your signature

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10
Q

What magnifier is this?

A

Stand magnifier

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11
Q

What are the advantages of a stand magnifier?

A

1- Both hands are available to use

2- Stable

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12
Q

What are the disadvantages of a stand magnifier?

A

1- Might be difficult to read a book because of the hump caused by the binding

2- Difficult to perform tasks underneath at high powers

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13
Q

What activities can a stand magnifier be used for?

A

1- Sewing

2- Reading a newspaper

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14
Q

What magnifier is this?

A

Telescope

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15
Q

What are the advantages of a telescope?

A

1-Auto focus available

2- Can incorporate patient’s prescription

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16
Q

What are the disadvantages of a telescope?

A

1- Expensive

2- Poor field of view

17
Q

What activities can a telescope be used for?

A

1- Looking at a picture

2- Reading a prescription

18
Q

What magnifier is this?

A

Flat field magnifier

19
Q

What magnifier is this?

A

Bar magnifier