Surface Lab Assistant

Description of position:
Operates production equipment to give a prescribed power to semi-finished lenses. Blocks, cuts and polishes lenses. Deblocks lens from alloy, washes blocks and lenses.

Daily tasks and responsibilities:

  • Applies a protective adhesive tape to lenses.
  • Operates a computerized blocker by scanning job tray. Places a block for handling of the lenses on the production line. Aligns lenses according to drawing on screen; presses a lever to lock lenses in position; verifies position and presses button to inject the alloy in blocking ring.
  • Places adhesive pads on tool laps.
  • Disassembles block from lenses with deblocking ring; removes protective adhesive from lenses.
  • Washes lenses in soapy water; rinses lenses that are then dried with an electric dryer.
  • Puts blocks in metal basket; plunges basket in hot water for minutes to melt alloy mixture off blocks.
  • Melted alloy is poured back into blocking machines;
  • Washes and dries blocks.
  • Supplies blocking station on a regular basis with alloy and blocks.
  • Oversees automated equipment.


Non-Essential Functions and Tasks:

  • Assists in other areas of the laboratory as necessary.


Qualifications (Costco-specific or industry-specific skills that candidates must possess):

  • Education/Training:    High school diploma or GED preferred.
  • Licenses/Certifications:    None.
  • Experience:        Experience in optical lab surfacing is preferred.
  • Knowledge/Skills:    Manual dexterity required. Basic mathematical ability is required. Attention to detail is required.
  • Other:         



Knowledge and talents recommended for job success:
NOTE: For postings in Quebec locations, candidates must be able to communicate in French (oral and written).