There are 2 main types of Ophthalmoscopes,  Hand Held phthalmoscopes & Retinoscopes and Binocular Indirect Ophthalmoscopes, which are worn on the head.

Tek-Net services both varieties from many different manufacturers, and can address any problem that may affect your instrument. Whether you need a basic cleaning or a complete reconditioning, make sure Tek-Net is your first call.

Our technicians are specialists in aligning & calibrating your instrument. We have loaner Ophthalmoscopes, Retinoscopes & BIO’s of all types available for your use. We do not charge for loaner use. All you are responsible for are the shipping costs.

If you are comparing service companies, please make sure you understand what you are getting for your money. What one company calls a Preventive Maintenance another may call a reconditioning.

Preventive Maintenance

Hand Instruments

  • Check operations on all.
  • Verify correct operation of rheostats on handles.
  • Verify correct operation of scope heads.
  • Clean external optics.
  • When needed leave loaner head & disassemble at shop.


  • Check all operations, mechanical, electrical and optical.
  • Check socket and lamp housing.
  • Check headband assembly.
  • Verify collimation of BIO Viewer.
  • Check power supply & wiring.
  • Ensure BIO hanger is secure.
All Your Instrument Service Needs in One Place

Serving New Jersey, New York, Pennsylvania, Delaware and Maryland