Table 1
Summary of procedures
| Refractive error | Principle of treatment | Technique | Reference |
|---|---|---|---|
| Myopia | Corneal surgery | Radial keratotomy | 2, 3 |
| Photorefractive keratectomy | 4, 5, 6 | ||
| Automated lamellar keratectomy | 7 | ||
| Laser in situ keratomileusis | 5, 8, 9, 10 | ||
| Corneal rings and inlays | 11, 12 | ||
| Lens surgery | Clear lens surgery | 13, 14 | |
| Phakic intraocular implants | 15, 16 | ||
| Hypermetropia | Corneal surgery | Photorefractive keratectomy | 18 |
| Laser in situ keratomileusis | 19 | ||
| Laser thermal keratoplasty | 20 | ||
| Lens surgery | Phakic intraocular implants | 15 | |
| Astigmatism | Corneal surgery | Arcuate keratotomy | 21, 22, 23, 24 |
| Photorefractive keratectomy | 25, 26 | ||
| Laser in situ keratomileusis | 27 | ||
| Lens surgery | Toric intraocular implants | ||
| Presbyopia | Lens surgery | Multifocal intraocular lenses | 28, 29 |
