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Randomized Controlled Trial
. 2022 Feb 1;41(2):177-182.
doi: 10.1097/ICO.0000000000002859.

Treatment Effect and Pain During Treatment With Intense Pulsed-Light Therapy According to the Light Guide in Patients With Meibomian Gland Dysfunction

Ji Sang Min  1 , Sook Hyun Yoon  1 , Kang Yoon Kim  1 , Ikhyun Jun  1   2 , Eung Kweon Kim  1   2 , Tae-Im Kim  1   2 , Kyoung Yul Seo  1   2
Affiliations
Randomized Controlled Trial

Treatment Effect and Pain During Treatment With Intense Pulsed-Light Therapy According to the Light Guide in Patients With Meibomian Gland Dysfunction

Ji Sang Min et al. Cornea. .

Abstract

Purpose: We investigated whether there is a difference in the treatment effect and pain during the treatment of meibomian gland dysfunction (MGD) with intense pulsed-light (IPL) between new light guide and conventional light guide.

Methods: We retrospectively reviewed medical records of 85 patients (170 eyes) who underwent IPL treatment of the upper and lower eyelids 3 times, at 3-week intervals, for MGD. Patients treated with the 6-mm or 8 × 15-mm cylindrical light guide were designated as group A or group B, respectively. The ocular surface disease index (OSDI), dry eye (DE), and MGD parameters were obtained before the first and after the third IPL treatments. Visual analog scale (VAS) scores were obtained at every IPL treatment. OSDI, DE, and MGD parameters and VAS scores were compared between the groups.

Results: VAS scores at the first, second, and third IPL treatments were lower in group A than in group B. OSDI, DE, and MGD parameters were improved after 3 IPL treatments in both groups. There were no significant differences in OSDI, DE symptoms, and MGD parameters between before the first IPL treatment and after the third IPL treatment between the groups.

Conclusions: Using the new 6-mm cylindrical light guide for IPL treatment in patients with MGD induced less pain during treatment and had similar treatment effects to the conventional 8 × 15-mm light guide. The new 6-mm cylindrical light guide can be useful when treating patients with dark or hyperpigmented skin and for pediatric patients with low compliance.

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Conflict of interest statement

The authors have no conflicts of interest to disclose.

References

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