This prospective non-comparative interventional study aims to analyse the pre-operative factors affecting the range of optimal ICL vaulting. the main question is what is the correlation between age, gender, spherical equivalent, white to white, anterior chamber volume and depth and postoperative vault? participants will do preoperative investigations ( specular microscopy, pentacam and biometry ) then refractive surgery (ICL implantation) followed by follow-up visits to assess the post-operative ICL vault and visual outcome.
Eligibility
Sex
ALL
Min age
21 Years
Max age
45 Years
Healthy volunteers
Accepted
Inclusion Criteria:
* Age:21 - 45 years old.
* High Myopia or Myopic astigmatism.
* Patients with stable preoperative refraction for the previous 12 months.
* Aqueous depth (ACD internal) = 2.8 mm or greater from the endothelial side using pentacam.
* Patients who are not fit for LASIK.
* No previous intraocular surgeries.
Exclusion Criteria:
* Patients with endothelial cell count \< 2800 cells /mm2
* Patients with corneal opacities
* Patients with preoperative glaucoma, cataract, and retinal disease.
* Patients with any systemic diseases especially collagen diseases.
Primary outcome measure(s)
ICL vault size — 1 month assessment of ICL vault by scheimpflug image
ICL Vault size — 6 months assessment of ICL vault by scheimpflug image
Post Operative UCVA and BCVA — 1-3 days assessment of Post Operative visual acuity
Post Operative UCVA and BCVA — 1 month assessment of Post Operative visual acuity
Post Operative UCVA and BCVA — 6 months assessment of Post Operative visual acuity
Post Operative IOP — 1 - 3 days assessment of post operative intraocular pressure
Post Operative IOP — 1 month assessment of post operative intraocular pressure
Post Operative IOP — 6 month assessment of post operative intraocular pressure
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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