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GM1 ATCO.MED.B.070  Visual system

ED Decision 2015/010/R

COMPARISON OF DIFFERENT READING CHARTS (APPROXIMATE FIGURES)

(a)       Test distance: 40 cm

Decimal

Nieden

Jäger

Snellen

N

Parinaud

1,0

1

2

1,5

3

2

0,8

2

3

2

4

3

0,7

3

4

2,5

 

 

0,6

4

5

3

5

4

0,5

5

5

 

6

5

0,4

7

9

4

8

6

0,35

8

10

4,5

 

8

0,32

9

12

5,5

10

10

0,3

9

12

 

12

 

0,25

9

12

 

14

 

0,2

10

14

7,5

16

14

0,16

11

14

12

20

 

 

(b)       Test distance: 80 cm

Decimal

Nieden

Jäger

Snellen

N

Parinaud

1,2

4

5

3

5

4

1,0

5

5

 

6

5

0,8

7

9

4

8.0

6

0,7

8

10

4,5

 

8

0,63

9

12

5,5

10

10

0,6

9

12

 

12

10

0,5

9

12

 

14

10

0,4

10

14

7,5

16

14

0,32

11

14

12

20

14

 
Details
Source-Title: GM1 ATCO.MED.B.070 Visual system View latest amendments
Erulesid: ERULES-1963177438-14679 Compare versions
Domain: Air traffic controllers
Applicabilitydate: 30 June, 2015
Entryintoforcedate: 30 June, 2015
Regulatorysource: ED Decision 2015/010/R Navigate
Regulatorysubject: Part-ATCO
Typeofcontent: GM to IR (Guidance material to implementing rule)
Parentir: ATCO.MED.B.070 Visual system
Origin: EASA
Category: EAR