Lens ordering and delivery system for head mounted display
View Patent ↗A method for ordering a corrective clip having corrective lenses. The clip corrects a wearer's view of a head mounted video display. When customers purchase an HMD, they are provided with clip ordering information. This includes information allowing the users to determine if a clip is required for their personal use. By providing at least SV and PD data customers can place their own orders which are transmitted to the lab. The completed corrective clip is delivered directly to the customer. Since the clip mounts on the viewer, a fitting session is not required. In use, the corrective clip reside between the user's eyes and an HMD display, without contacting the user.
1. 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.
2. The method of claim 1 , further comprising the step of determining whether a customer needs a corrective clip.
3. The method of claim 1 , wherein the ordering comprises ordering the corrective clip through a website.
4. The method of claim 1 , wherein the ordering comprises ordering the corrective clip over the phone from a lab capable of producing the corrective clip.
5. The method of claim 1 , wherein the ordering comprises obtaining single vision (SV) and pupillary distance (PD) data from an eye care professional (ECP) and ordering the corrective clip through an eye care professional (ECP).
6. The method of claim 1 , wherein the factor is 0.973.
7. The method of claim 6 , the modification of the single vision (SV) prescription comprising discrete averaging based on the near vision add.
8. The method according to claim 1 , wherein upon determining that the customer is not a presbyope, using the customer's normal single vision prescription as the prescription for the lens in the corrective clip.
9. The method according to claim 1 , wherein said manufacturing step comprises edging a lens to fit into a standard clip which comprises a flexible nose bridge and arms and which omits temples; and
wherein following said delivery step, the clip is adapted for mounting onto the viewer by flexing the nose bridge, and in use the clip does not contact the user.
10. The method of claim 9 , wherein the clip is adapted to be positioned between a user's eyes and a head mounted display (HMD) display having a virtual focus image location between 2 and 6 feet from the user's eyes.