Del. Code tit. 24 § 2112
The Board shall issue a license to each applicant who meets the requirements of this chapter for licensure as an optometrist and who pays the fee established under § 2105 of this title.
Each license shall be renewed biennially, in such manner as is determined by the Division of Professional Regulation and upon payment of the appropriate fee and submission of a renewal form provided by the Division of Professional Regulation and proof that the licensee has met the continuing education requirements established by the Board.
The Board, in its rules and regulations, shall determine the period of time within which a licensed optometrist may still renew that licensed optometrist's license, notwithstanding the fact that such licensee has failed to renew on or before the renewal date.
An optometrist currently holding an active diagnostic license may not utilize therapeutic pharmaceutical agents or perform procedures that require subsequent treatment with therapeutic pharmaceutical agents. An optometrist holding an active diagnostic license may renew such license under the terms determined by the Board in the rules and regulations.
The 6 month internship for Delaware optometric licensure may not be completed under the supervision of a diagnostic optometrist.
A diagnostically licensed optometrist may convert to an unrestricted license by completing the requirements set forth in the rules and regulations.
A lapsed diagnostic license may not be reactivated.
24 Del. C. § 2112