Nouvelle approche thérapeutique du kératocône par segments d’anneaux intracornéens assistés par laser femtoseconde (Tecnolas Perfect Vision®) : indications, technique opératoire et résultats

Efficacy of Different Procedures of Intra-Corneal Ring Segment Implantation in Keratoconus: a Systematic Review and Meta-Analysis

“…1). Removal of duplicates and use of the selection criteria reduced the number of articles reporting the evaluation of ICRS in keratoconus to 95 articles 8,14–16,26…”

“…The reference point was a Sinskey hook marking the center of the pupil. Channel depth varied between 70% ( references 14–16, 33, 35, 37, 48-54, 63, 65, 66, 70, 80, 82, 83, 87, 88, 90, 92, 95, 98, 99, 102, 103, 105, 108, 109, 111, 113, 114 ), 75% ( references 26, 27, 34, 39, 41, 42, 45, 58, 60, 64, 71, 79, 110 ), or 80% ( references 8, 29, 30, 32, 33, 43, 47, 54–56, 59, 62, 67–69, 72–…”

“…When the optical zone was 5 mm ( references 15, 27, 30, 31, 34, 35, 43, 44, 53, 57, 59–61, 67–70, 77, 78, 80, 81, 84, 88, 92–94, 103, 107, 110 ), the inner diameter varied from 4.435,59,60,88,107,110 to 5.4 mm,77 and the outer diameter varied from 5.623,48,49,77,96,99 to 7.0 mm 77. When the optical zone was 6 mm,14,63,71,82,87 the inner diameter varied from 6.014,63,82 to 6.6 mm,87 and the outer diameter varied from 7.08 to 7.5 mm 87. Finally, when the optical zone was 7 mm,83,102,108,109 the inner diameter was 7 mm and the outer diameter was 8.2 mm.…”

“…Finally, when the optical zone was 7 mm,83,102,108,109 the inner diameter was 7 mm and the outer diameter was 8.2 mm. One or two rings were inserted depending on the keratoconus grade in 44 studies ( references 8, 14, 26–30, 32, 41, 49–51, 53–55, 59–61, 67, 68, 75–77, 80, 82, 84, 85, 87–89, 92–94, 96, 97, 102, 103, 107, 109, 110, 112, 116 ). In 20 studies, only one ring was systematically set up ( references 15, 34–37, 39, 40, 43, 44, 46, 48, 52, 56, 57, 63, 66, 70, 71, 78, 95 ).…”

“…The number of rings inserted was not specified in 21 studies ( references 16, 31, 33, 38, 42, 45, 47, 58, 62, 64, 69, 73, 81, 86, 90, 91, 98–101, 104, 106, 115 ). At the end of the procedure, the incision was sutured using 10-0 nylon ( references 26, 37, 46, 48–50, 55, 56, 65, 71, 73, 75, 79, 83, 84, 87, 89, 95, 96, 102, 108, 111, 113 ). In other studies, the incision was not sutured.…”