Ultralase

Laser eye surgery glossary

1. A
2. B
3. C
4. D
5. E
6. F
7. G
8. H
9. I
10. J
11. K
12. L
13. M
14. N
15. O
16. P
17. Q
18. R
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20. T
21. U
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24. X
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26. Z

N

N.S.A.I.D.

Abbreviation for non-steroidal anti-inflammatory drugs.

Near-sightedness

Or short-sightedness. See Myopia. Further reading

Negative power lens

The shape of the lens used in glasses or contact lenses for people suffering from short-sightedness. The lens is thinner in the middle than the outside. A negative lens, diverges (bends outwards) light to compensate for the over-bending by the eye's natural lens, inside the eye. A minus sign in front of your prescription indicates a negative lens if you are short-sighted.

Nomogram

A surgeon's adjustment to the laser's computer calculation to further refine his or her own results. Further reading

Non-dominant eye

The non-dominant eye is the eye which is left short-sighted when Monovision eye surgery is chosen. The dominant eye is the one most used for distance, i.e. the one used to focus a camera.

1. A
2. B
3. C
4. D
5. E
6. F
7. G
8. H
9. I
10. J
11. K
12. L
13. M
14. N
15. O
16. P
17. Q
18. R
19. S
20. T
21. U
22. V
23. W
24. X
25. Y
26. Z