Abstract
Background: Short wavelength automated perimetry (SWAP) has been shown to be useful in the early detection of visual field losses in glaucoma. This study investigates the effects of patient‐related variables on SWAP.Methods: Eight normal subjects performed SWAP under a range of refractive blur conditions (plano, +1.00 D, +2.00 D, +3.00 D) and filter conditions (0.3 neutral density, yellow).Results: The results of this study were:1 SWAP in normal subjects was unaffected by refractive blur up to +3.00D.2 Filters produced an overall depression in SWAP sensitivity results proportional to their 400 nm transmission.Conclusion: SWAP is a robust visual field test insensitive to moderate amounts of refractive error. However, as different visual mechanisms are being measured by the two tests, care should be taken when trying to compare SWAP directly with conventional white‐on‐white perimetry.
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