在成人维生素D缺乏症患者中评估瞳孔功能
Zeki Baysal1, Ömer Özer1, Levent Doğan2
1Department of Ophthalmology, Niğde Ömer Halisdemir University, Niğde, 51240, Turkey.
BMC ophthalmology
|April 13, 2025
概括
这项研究发现,维生素D缺乏会显著改变瞳孔动态,包括瞳孔膨胀速度减慢. 这些发现强调了维生素D的重要作用.
科学领域:
- 眼科医生 眼科 眼科
- 内分泌学 在内分泌学.
- 营养科学 营养科学
背景情况:
- 维生素D在骨健康之外的许多身体功能中起着至关重要的作用.
- 新出现的证据表明,维生素D水平与各种生理过程之间存在联系,包括神经和眼睛功能.
研究的目的:
- 研究低血清维生素D水平对瞳孔动态的影响.
- 为了比较维生素D缺乏/不足和健康对照个体之间的瞳孔功能参数.
主要方法:
- 研究对象包括132名血清25(OH) -D水平较低的患者和76名健康对照.
- 瞳孔测量用于评估静态瞳孔直径 (scotopic, mesopic, photopic) 和动态瞳孔膨胀速度.
- 患者被分为维生素D缺乏症 (VDI,10-30 ng/mL) 和维生素D缺乏症 (VDD,≤10 ng/mL) 组.
主要成果:
- 与对照组相比,VDI和VDD组中的光学瞳孔直径显著不同.
- 瞳孔直径值显示了患者组和对照组之间的显著差异.
- 与对照组相比,维生素D缺乏的患者的瞳孔膨胀速度明显较慢 (p < 0.001).
结论:
- 维生素D缺乏明显改变瞳孔功能,这是客观的瞳孔测量测量所证明的.
- 这些发现表明维生素D在多系统健康中的潜在作用,需要进一步研究.
- 建议进行更大规模的多中心研究来证实这些结果,并探索维生素D状态对眼睛生理学的更广泛影响.
相关概念视频
Photoreceptors and Visual Pathways
5.5K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
5.5K
Vitamins
441
Vitamins, derived from the Latin word for life, are essential organic substances required in small quantities for optimal growth and overall well-being. Unlike other organic nutrients, vitamins don't act as sources of energy or building materials but rather facilitate these nutrients' utilization by the body. Vitamins are predominantly coenzymes, assisting enzymes in specific chemical actions, like the oxidation of glucose for energy involving B vitamins. Most vitamins are not produced...
441


