TY - RPRT TI - Objective blur thresholds in free space for different refractive groups. AU - Balamurali Vasudevan AU - Kenneth J Ciuffreda AU - Bin Wang PY - 2006 DO - 10.1080/02713680500514669 UR - https://pubmed.ncbi.nlm.nih.gov/16500761/ ID - 16500761 ER -