Medical Retina Services, Dhami Eye Care Hospital, Ludhiana, Punjab, India.
Retina and Cataract Services, Dhami Eye Care Hospital, Ludhiana, Punjab, India.
Indian J Ophthalmol. 2022 Jun;70(6):2038-2040. doi: 10.4103/ijo.IJO_3079_21.
Comparison of patient satisfaction with red-free (green) versus yellow light using binocular indirect ophthalmoscope for retinal examination.
This is an observational questionnaire-based study of 100 myopes in the age group of 18-40 years coming for a routine check-up or for refractive surgery workup. The examination was done using an indirect ophthalmoscope and a 20D lens with green or yellow light and was assigned in two groups randomly using the coin toss method, following which, a questionnaire was used to assess the following parameters: a) level of comfort, b) any complaints of discomfort during examination, d) preference of the used light source in future, e) grading of discomfort on a linear scale, and f) patient cooperation and duration of examination.
Patients were randomized for observation with IDO using either green light (n = 55) or yellow light (n = 45) filter. In the study, 46 patients (83.6%) were very comfortable and only 9 patients (16.4%) experienced mild discomfort when using red-free (green) light, while only 3 patients (6.7%) were very comfortable and 31 (68.9%) had mild discomfort when using yellow light. The complaints of watering with yellow and green light were noted in 36 patients (80.0%) and 15 patients (27.3%), pain in 13 patients (28.9%) and 3 patients (5.5%), light sensitivity in 29 patients (64.4%) and 4 patients (7.3%), respectively, all being significantly more in yellow light category (P < 0.001). The time of examination was significantly more in yellow light category with 83 ± 10.75 seconds (P < 0.001).
Retinal examination using the green filter of indirect ophthalmoscope is more comfortable in examining the patients as compared to routine yellow light with decreased number of complaints, lesser examination time, and better patient cooperation.
比较使用双目间接检眼镜的红色（绿色）与黄色滤光片检查视网膜时患者的满意度。
这是一项基于观察的问卷调查研究，共纳入 100 名年龄在 18-40 岁的近视患者，这些患者因常规检查或屈光手术评估前来就诊。使用间接检眼镜和 20D 镜片，分别用绿光和黄光进行检查，并采用抛硬币的方法将患者随机分为两组，然后使用问卷评估以下参数：a）舒适度水平，b）检查过程中有无不适的抱怨，c）对使用的光源在未来的偏好，d）不适程度的线性评分，以及 e）患者的配合程度和检查时间。
患者被随机分为观察组，分别使用绿光（n = 55）或黄光（n = 45）滤光片观察间接检眼镜。在这项研究中，使用红色（绿色）滤光片时，46 名患者（83.6%）非常舒适，仅有 9 名患者（16.4%）感到轻度不适，而使用黄色滤光片时，仅有 3 名患者（6.7%）非常舒适，31 名患者（68.9%）感到轻度不适。使用黄色和绿色滤光片时，分别有 36 名患者（80.0%）和 15 名患者（27.3%）出现流泪，13 名患者（28.9%）和 3 名患者（5.5%）出现疼痛，29 名患者（64.4%）和 4 名患者（7.3%）出现畏光，所有这些在黄色滤光片组中均更为明显（P < 0.001）。黄色滤光片组的检查时间明显更长，为 83 ± 10.75 秒（P < 0.001）。
与常规的黄色光相比，间接检眼镜的绿色滤光片在检查患者时更舒适，抱怨的次数更少，检查时间更短，患者的配合度更好。
