More Related Content Similar to Keratoconus Diagnosis and Treatment Patterns Similar to Keratoconus Diagnosis and Treatment Patterns (20) More from Hossein Mirzaie More from Hossein Mirzaie (20) Keratoconus Diagnosis and Treatment Patterns28. Evaluation and diagnosis of keratoconus History and family history Follow up evaluation Slit -lamp exams Keratoscopy- Keratometry Corneal thickness - pachymetry Topography - Orbscan –Pentacam 40. Keratoconus pattern: Inferior steepening without bowtie pattern specially more prominent temporally 48. Keratoconus pattern: Central steepening, superimposed with asymmetrical bowtie- slightly irregular astigmatism asymmetrical central hourglass 75. UVA 370 nm Irradiance 3 mW/cm 2 for 30 min Dose of 5.4 J/cm 2 78. UV-X SYSTEM Automated timing and intensity control Intensity calibration for safe use Easy mounting and positioning Transportable in compact case 92. The ring segments have a prism format; the flat posterior surface is implanted facing the corneal endothelium FERRARA ring 96. 250 / 210° 250 / 90° 200 /120° 98. FICR: male 20 yrs OS preoperative exams Subj ref: plano -6 × 160 Cyclo ref: overcylinder KR average: 56.99 D Cyl of KR: -11.27 D × 162 AL : 24.15mm AC depth: 4.17 mm CCT:422 μ UCVA: 3/10 BSCVA=5/10 101. FICR: male 20 yrs OS postoperative exams Subj ref: plano Cyclo ref: -0.25 -3.5 × 90 KR average: 48.22 D Cyl of KR: -6.56 D × 37 UCVA: 8/10 BSCVA=8/10 102. FICR: male 20 yrs OS topographic change after FICR 103. FICR: male 20 yrs OS topographic change after FICR Subj ref: plano Cyclo ref: -0.25 -3.5 × 90 KR average: 48.22 D Cyl of KR: -6.56 D × 37 UCVA: 8/10 BSCVA=8/10 Subj ref: plano -6 × 160 Cyclo ref: overcylinder KR average: 56.99 D Cyl of KR: -11.27 D × 162 UCVA: 3/10 BSCVA=5/10 105. Toric artisan: male 23 yrs OD preoperative exam Subj ref: -18.5 -5 × 110 (0.5) Cyclo ref: -16.75 - 6.25 × 6 KR average: 56D Cyl of KR: 6 × 10 AL : 26.66mm AC depth: 4.39mm CCT:408 μ Artisan IOL: - 17 – 5.5 × 18