1292 / 1835
• Aim: to reduce the incidence of cataract
• Caution: inadvertent tumor under dosing
• Some reports attributed local relapses to inadvertent partial shielding
of tumor
(Uno et al. 2003; Fung et al. 2003)
• Other reports suggest that the careful use doesn’t lead to treatment
failure
(Le et al. 2002; Martinet et al. 2003; Son et al. 2010; Tran et al. 2013)
• ILROG guidelines: lens shielding may be used for disease limited to
conjuctiva/eyelid, if appropriate and only if disease will not be
shielded
Lens shielding