Sir,

We read with interest the article by Vetrugno et al.1 The authors conducted an investigation regarding the effect that posterior capsule opacification (PCO) and subsequent Nd : YAG capsulotomy have on the results of scanning laser polarimetry (SLP) of retinal nerve fibre layer (RNFL) retardation measurements. Considering that pseudophakia in glaucoma is a relatively common condition, and that SLP has been shown to be a useful tool in the diagnosis and follow-up of glaucoma, the issue studied is clinically important.

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