Page 19 - NAME OF CONDITION: REFRACTIVE ERRORS

• Posterior chamber sulcus- fixated lens introduced by Fyodorov and subsequently

modified by other companies.
Indications for phakic IOLs:
• Correction of myopic errors of -8.00 D or more.
• In eyes contraindicated for LASIK:
- Relatively thin corneas,
- Stable keratoconus;
- Corneas steeper than 48.00 D or with expected post-LASIK keratometry readings flatter
than 35.00 D.

- in eyes with residual refractive errors after LASIK, corneal transplant, intrastromal
corneal ring segment (ICRS) implantation, corneal collagen crosslinking (CXL), and
pseudophakia.

Contraindications:
• Unstable refraction
• Visually significant cataract in the case of phakic IOLs
• Corneal endothelial disease, including Fuchs dystrophy
• Uncontrolled glaucoma
• Uncontrolled external disease
• Uncontrolled connective tissue or autoimmune disease
• Unrealistic patient expectations

Standard operating procedure

a. In patient: Not applicable
b. Out Patient: Not applicable
c. Day care: Refractive surgeries are done as day care procedures.

d) Referral criteria:

Not applicable

VI. WHO DOES WHAT? And TIMELINES

a. Doctor

1. History taking with examination of the patient
2. To carry out the necessary investigations
3. To satisfy the patient as per his/her needs
b. Technician/Nurse

Role of Ophthalmic Assistants is to
1. Test vision, conduct refraction and prescribe corrective lenses.

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