Ultralase

Laser eye surgery glossary

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H

Halos

A complication of laser eye surgery in which the patient sees additional rings around lights at night. Halos are subjective experiences that usually decrease with time. Further reading

Haze

Condition that can sometimes occur after LASEK laser eye surgery treatment where the transparent cornea becomes slightly hazy. This will usually resolve over time.

Healthcare commission

A government body responsible for regulating Laser Vision Correction establishments, such as Ultralase. Further reading

Higher order aberrations

Refractive errors, other than short-sightedness, long-sightedness, and astigmatism, that cannot be corrected with glasses or contacts.

Hyperopes

People who are long-sighted.

Hyperopia (long-sightedness)

This common vision problem occurs when light rays entering the eye focus further than the retina, not directly on it. Hyperopia may cause eyestrain or headaches, especially with reading. Spectacles or contact lenses can correct hyperopia. For people who do not want to wear glasses or contact lenses, refractive surgery is available. Further reading

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