* Verify that finished lenses are ground to specifications.
* Prepare work orders and instructions for grinding lenses and fabricating eyeglasses.
* Measure clients' bridge and eye size, temple length, vertex distance, pupillary distance, and optical centers of eyes, using measuring devices.
* Heat, shape, or bend plastic or metal frames to adjust eyeglasses to fit clients, using pliers and hands.
* Assist clients in selecting frames according to style and color, and ensure that frames are coordinated with facial and eye measurements and optical prescriptions.
* Maintain records of customer prescriptions, work orders, and payments.
* Recommend specific lenses, lens coatings, and frames to suit client needs.
* Instruct clients in how to wear and care for eyeglasses.
* Sell goods such as contact lenses, spectacles, sunglasses, and other goods related to eyes in general.
* Determine clients' current lens prescriptions, when necessary, using lensometers or lens analyzers and clients' eyeglasses.
* Obtain a customer's previous record, or verify a prescription with the examining optometrist or ophthalmologist.
* Order and purchase frames and lenses.
* Perform administrative duties such as tracking inventory and sales, submitting patient insurance information, and performing simple bookkeeping.
* Repair damaged frames.