Objective To evaluate the effect of intense pulsed light(IPL)in the treatment of chronic hordeolum.Methods Patients with chronic hordeolum who underwent IPL treatment were enrolled in this study.According to the sever...Objective To evaluate the effect of intense pulsed light(IPL)in the treatment of chronic hordeolum.Methods Patients with chronic hordeolum who underwent IPL treatment were enrolled in this study.According to the severity of hordeolum,the patients were treated with IPL 3 to 5 times.Patients’satisfaction and visual analog scale scores for ocular discomfort symptoms before and after treatment were collected.The number,congestion,long diameter,short diameter and area of nodules were also recorded and measured.Finally,eyelid margin signs,meibum quality,meibomian gland expressibility,meibomian gland dropout,tear meniscus height,and corneal fluorescein staining were scored.Results 20 patients were enrolled in this study.The eyelid margins were congestive and swollen,with blunt rounding or irregularity.The meibum was cloudy or toothpaste-like.The meibomian gland expressibility,meibomian gland dropout and tear meniscus height were reduced.The cornea showed scattered fluorescein staining.After treatment,score of visual analog scale,congestion and size of nodules were significantly reduced.Eyelid margin signs,meibum quality,meibomian gland expressibility,tear meniscus height and corneal fluorescein staining scores were improved.Meibomian gland dropout had no significant change.No side effects occurred during treatment.Conclusions IPL is beneficial for the treatment of chronic hordeolum.展开更多
随着电视系统由传统的串行数字接口(Serial Digital Interface,SDI)架构逐渐向网际互连协议(Internet Protocol,IP)架构转变,网络时钟协议(Network Time Protocol,NTP)、精确时间协议(Precision Time Protocol,PTP)、实时传输协议(Real-...随着电视系统由传统的串行数字接口(Serial Digital Interface,SDI)架构逐渐向网际互连协议(Internet Protocol,IP)架构转变,网络时钟协议(Network Time Protocol,NTP)、精确时间协议(Precision Time Protocol,PTP)、实时传输协议(Real-time Transport Protocol,RTP)时间戳(Timestamp)、电影和电视工程师协会(The Society of Motion Picture and Television Engineers,SMPTE)ST 2059等信号取代了传统SDI架构中的黑场(Black Burst,BB)信号,成为IP化电视系统的设备同步、流同步信号。基于此,详细介绍PTP的同步原理、RTP数据包的重要数据格式、RTP时间戳在视音频流同步中的原理及SMPTE ST 2059的定义及相关应用。展开更多
文摘Objective To evaluate the effect of intense pulsed light(IPL)in the treatment of chronic hordeolum.Methods Patients with chronic hordeolum who underwent IPL treatment were enrolled in this study.According to the severity of hordeolum,the patients were treated with IPL 3 to 5 times.Patients’satisfaction and visual analog scale scores for ocular discomfort symptoms before and after treatment were collected.The number,congestion,long diameter,short diameter and area of nodules were also recorded and measured.Finally,eyelid margin signs,meibum quality,meibomian gland expressibility,meibomian gland dropout,tear meniscus height,and corneal fluorescein staining were scored.Results 20 patients were enrolled in this study.The eyelid margins were congestive and swollen,with blunt rounding or irregularity.The meibum was cloudy or toothpaste-like.The meibomian gland expressibility,meibomian gland dropout and tear meniscus height were reduced.The cornea showed scattered fluorescein staining.After treatment,score of visual analog scale,congestion and size of nodules were significantly reduced.Eyelid margin signs,meibum quality,meibomian gland expressibility,tear meniscus height and corneal fluorescein staining scores were improved.Meibomian gland dropout had no significant change.No side effects occurred during treatment.Conclusions IPL is beneficial for the treatment of chronic hordeolum.
文摘随着电视系统由传统的串行数字接口(Serial Digital Interface,SDI)架构逐渐向网际互连协议(Internet Protocol,IP)架构转变,网络时钟协议(Network Time Protocol,NTP)、精确时间协议(Precision Time Protocol,PTP)、实时传输协议(Real-time Transport Protocol,RTP)时间戳(Timestamp)、电影和电视工程师协会(The Society of Motion Picture and Television Engineers,SMPTE)ST 2059等信号取代了传统SDI架构中的黑场(Black Burst,BB)信号,成为IP化电视系统的设备同步、流同步信号。基于此,详细介绍PTP的同步原理、RTP数据包的重要数据格式、RTP时间戳在视音频流同步中的原理及SMPTE ST 2059的定义及相关应用。
