BostonSight SCLERAL
BostonSight
Manufacturer / labBostonSight
Product / familyBostonSight SCLERAL
DesignFully customizable full-scleral lens with independent control of sagittal depth, limbal zone and four scleral quadrants (Smart360 toric periphery)
Corrects / indicated forKeratoconus, PMD, post-graft, post-RK/LASIK ectasia, severe ocular surface disease (GVHD, Sjögren, SJS, exposure), limbal stem cell deficiency
MaterialOptimum Infinite (Dk 180) / Boston XO2
Dk180 ×10⁻¹¹ (material)
Overall diameter18.0-19.0 mm
Optic zonecustomizable
Sagittal depth~3800-5200 µm
Centre thickness~0.30-0.45 mm
Power range+30.00 to -30.00
Cylinderfront toric / bitoric available
Add powercentre-near multifocal available
Wear scheduledaily wear, do not sleep in
ReplacementAnnually
Fitting approachFit from a diagnostic set or from corneoscleral topography / profilometry (sMap, Pentacam). Target ~200-300 µm central clearance settled, clear limbus, aligned haptic with no blanching or impingement.
Design and consultation service is the successor to the PROSE treatment programme's technology. Fill the bowl with preservative-free saline; no bubbles at insertion.
Verify parameters against current manufacturer documentation before fitting.