It seems FTC is not done "looking" at contact lens rule. From the recent blog post on FTC website they propose to amend the rule to have

to require contact lens prescribers to get a signed acknowledgement from the patient after providing a copy of the prescription.

The blog post is embedded here

FTC looks at the Contact Lens Rule

In an eye exam, the bottom line is the toughest to see. But responsible eye care prescribers and contact lens sellers clearly understand another "bottom line": They comply with the FTC's Contact Lens Rule.

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Periodically, the FTC likes to take a look at all its rules to make sure they are up-to-date, effective, and not overly burdensome. So in September 2015, the FTC asked for public comment on the how well the Contact Lens Rule was working, whether prescribers and sellers were complying with its requirements, and what changes, if any, the Commission should consider. After reviewing more than 600 comments and other evidence, we determined that it would be beneficial to look at ways to make sure that prescribers are giving patients a copy of the contact lens prescription once the contact lens fitting is completed. To make that happen, we propose amending the Rule to require contact lens prescribers to get a signed acknowledgement from the patient after providing a copy of the prescription. The prescriber would also have to keep a copy of this signed acknowledgment for at least three years.

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