|
Malecaze et al
(22 Malecaze F, Coullet J, Calvas P, Fournie P, Arne JL, Brodaty C. Corneal ectasia after photorefractive keratectomy for low myopia. Ophthalmology. 2006;113(5):742-6.)
(2005)
|
Male, 22 y, OU, OU: 20/20, OU: 495 μm, 4 y later |
OD: -1.50 -1.00 × 105
OS: -1.50 -1.00 × 65
|
OD: 43.75/43.32
OS: 43.88/43.26
|
OD: moderate temporal steepening, SRAX = 37, KISA% = 12.3
OS: inferior steepening, J shape, SRAX = 60, I-S value = 0.9, KISA% = 20
Final diagnosis: FFKC (OS)
|
Normal slit-lamp biomicroscopy findings, negative familial history |
|
Chiou et al
(33 Chiou AG, Bovet J, de Courten C. Management of corneal ectasia and cataract following photorefractive keratectomy. J Cataract Refract Surg. 2006;32(4):679-80.)
(2006)
|
Male, 40 y, OU, OU: 20/25, OD: 477 μm / OS: 481 μm, 18 months later |
OD: -9.25 -1.25 × 65
OS: -8.25 -2.00 × 160
|
- |
Normal |
Post-PRK severe corneal haze and long-term steroid use, severe corneal tissue ablation |
|
Randleman et al
(44 Randleman JB, Caster AI, Banning CS, Stulting RD. Corneal ectasia after photorefractive keratectomy. J Cataract Refract Surg. 2006;32(8):1395-8. Comment in: J Cataract Refract Surg. 2007;33(6):941-2; author reply 942.)
(2006)
|
Case 1
|
Male, 37 y, OU, OD: 20/20/ OS: 20/30, OD: 472 μm / OS: 441 μm, 2 weeks later |
OD: -1.50 -2.50 × 70
OS: -4.00 -3.00 × 90
|
OD: 45.50/46.50
OS: 48.50/50.20
|
KC in both eyes |
- |
|
Case 2
|
Male, 40 y, OU, OD: 20/20-2/ OS: 20/20-1, OD: 509 μm / OS: 508 μm, 10 months later |
OD: -5.75 -3.75 × 33
OS: -5.25 -4.00 × 167
|
OD: 46.68/43.21
OS: 46.80/43.38
|
Symmetric bowtie, high oblique astigmatism |
Normal slit-lamp biomicroscopy findings, positive familial history, postoperative IOP rising, and eye rubbing |
|
Leccisotti
(55 Leccisotti A. Corneal ectasia after photorefractive keratectomy. Graefes Arch Clin Exp Ophthalmol. 2007;245(6):869-75.)
(2007)
|
Case 1
|
Female, 38 y, OU, -, OD: 520 μm / OS: 510 μm, 3 y later |
OD: -7.00 -3.00 × 180
OS: -6.00 -4.00 × 180
|
OD: 44.30
OS: 45.50
|
High astigmatism and inferior steepening (1.3 and 1.6 D) in both eyes
Final diagnosis: KC in both eyes
|
- |
|
Case 2
|
Male, 31 y, OD, 20/20, 487 μm, 1 y later |
OD: -4.50 -1.75 × 175 |
OD: 45.75 |
KC in the fellow eye (OS) |
- |
|
Case 3
|
Male, 31 y, OS, 20/20, OD: 506 μm / OS: 492 μm, 5 months later |
OS: -3.75 -0.50 × 150 |
OS: 45.70 |
Evident inferior steepening, asymmetric bowtie with SRAX in both eyes, abnormal ABR index in OS. Videokeratography ruled out KC in both eyes.
Final diagnosis: KC suspect (OS)
|
No information about familial history of KC, slit-lamp biomicroscopy findings, or retinoscopy |
|
Case 4
|
Female, 38 y, OS, 20/20, 509 μm, 5 months later |
OS: -1.50 -1.25 × 130 |
OS: 48.30 |
Evident inferior steepening especially in OS, abnormal vertical asymmetry index, and Kmax = 48.30 in OS. Videokeratography ruled out KC in OD and defined possible in OS.
Final diagnosis: KC suspect (OS)
|
No information about familial history of KC, slit-lamp biomicroscopy findings, or retinoscopy |
|
Navas et al
(66 Navas A, Ariza E, Haber A, Fermón S, Velazquez R, Suarez R. Bilateral keratectasia after photorefractive keratectomy. J Refract Surg. 2007;23(9):941-3.)
(2007)
|
Male, 35 y, OU, OU: 20/20, OD: 497 μm / OS: 511 μm, 2 weeks later |
OD: -3.00 -1.50 × 20
OS: -3.00 -2.00 × 160
|
OD: 43.25/45.00
OS: 43.25/45.50
|
Asymmetric astigmatism and FFKC in both eyes which was more pronounced in OD |
Normal slit-lamp biomicroscopy findings, positive familial history, eye rubbing |
|
Reznik et al
(77 Reznik J, Salz JJ, Klimava A. Development of unilateral corneal ectasia after PRK with ipsilateral preoperative forme fruste keratoconus. J Refract Surg. 2008;24(8):843-7.)
(2008)
|
Male, 25 y, OD, OU: 20/25, OD: 500 μm / OS: 460 μm, 5 y later |
OD: -5.75 -1.75 × 95
OS: -7.50 -1.25 × 80
|
OD: 42.50/42.25
OS: 43.25/44.00
|
KC (OD) |
- |
|
Bardocci et al
(88 Bardocci A, Abad JC, Tamburrelli C, Lofoco G, Benevento M, Lischetti A. Early onset keratectasia after photorefractive keratectomy in a case showing Vertical D topographic pattern. Semin Ophthalmol. 2012;27(3-4):52-5.)
(2012)
|
Female, 31 y, OU, -, OD: 512 μm / OS: 520 μm, 6 y later |
OD: -8.00 -2.00 × 30
OS: -4.50 -1.50 × 150
|
- |
AB/SRAX in OD, D pattern in OS
Final diagnosis: KC suspect (OU)
|
No information about familial history of KC, personal history of allergy or eye rubbing, slit-lamp biomicroscopy findings, or retinoscopy |
Thumbnail
Thumbnail
Thumbnail
