1. Rigid lens complications
Week 12

2. Rigid lens complications
As the technician, you are responsible for teaching the patient how to care for their lenses.
Sometimes, no matter how diligent you are, complications happen.
It is important for you, as the technician, to know when the patient needs to see the doctor and if necessary, reinstruct the patient to avoid any further complications.
Most gas perm complications are the same as soft contact lens complications, but, I do want to review!

3. Rigid lens complications
Mechanical trauma
Trauma- abrasion

4. Rigid lens complications
Poor fitting lens
Poor edge blending

5. Rigid lens complications
vascular/inflammatory reactions due to hypoxia
Stromal complications- severe hypoxia – Dk value

6. Rigid lens complications
Corneal ulcer- fungal
pseudomonas

7. Rigid lens complications
Broken rigid lens
Protein build up on lens

8. Rigid lens complications
Solution toxemia
Keratitis, vascular response

9. Rigid lens complications
Remember, take your time fitting, verifying, and making modifications to avoid complications!
Always make sure the patient fully understands how to clean and care for the CL’s and knows the risks of not taking care of them properly.
All of the complications you have seen can be avoided, simply by taking your time and educating the patient!

10. Next week- Lens verification
Read chapter 9 in text, pages for next week’s lecture. Module 36 and mock patient for homework.