Patent ID: 7840444

Claim:
A method for ordering a corrective clip having corrective lenses, the corrective clip adapted for correcting a wearer's view of a head mounted display (HMD) for video, the method comprising: providing corrective clip ordering information to head mounted display (HMD) purchasers; ordering a corrective clip by providing at least one set of single vision (SV) and pupillary distance (PD) data: delivering the order for the corrective clip to a lab capable of manufacturing the corrective clip; manufacturing the corrective clip for mounting onto a head mounted display (HMD) including determining whether a customer is a presbyope, and upon determining that a customer is a presbyope: (i) raising the single vision (SV) prescription to a higher power based on the near vision add to provide a modified single vision (SV) prescription; (ii) calculating an adjusted pupillary distance (PD) by multiplying the far vision papillary distance (PD) by a factor less than 1; and (iii) providing a modified and adjusted single vision (SV) lens in the corrective clip; and delivering the corrective clip directly to a customer.