Effectiveness of Low Level Light Therapy and Intense Pulse Light on Mite Count as Adjuntive Therapies in Demodex Blepharitis Using Artificial Intelligent Program (Ai-Demodex)

Primary Objective: To evaluate the efficacy of LLLT, IPL, and IPL + LLLT in re ducing demodex count in patients with Demodex Blepharitis. Secondary Objectives: To evaluate the efficacy of LLLT, IPL, and IPL + LLLT in improving ocular surface parameters in Demodex Blepharitis. Sample Size: 88 participant ( 22 participants per group x 4 groups) Study Design: 2x2 Factorial randomized trial. Methodology: The study is composed of 4 groups including 1) control 2) Blue light LLT alone 3) IPL alon e, 4) Blue light LLLT with IPL , and . Both LLLT and IPL will treat weekly for 4 sessions All participants will be instructed to perform warm compression and lid scrub. The outcomes include demodex count, meibum grading and ocular surface parameter were evaluated at 1 and 3 months post treatment.