Comparative evaluation of conventional and modified frontalis muscle flap advancement techniques in the treatment of severe congenital ptosis: A retrospective cohort study

• Lei Zhang,

  Roles Data curation, Formal analysis, Investigation, Methodology, Resources, Software, Writing – original draft

  Affiliations Tianjin Eye Hospital, Tianjin, China, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin, China, Nankai University Affiliated Eye Hospital, Tianjin, China, Clinical College of Ophthalmology Tianjin Medical University, Tianjin, China, Tianjin Eye Institute, Tianjin, China

  ⨯
• Wenjuan Zhai,

  Roles Formal analysis, Methodology, Resources

  Affiliations Tianjin Eye Hospital, Tianjin, China, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin, China, Nankai University Affiliated Eye Hospital, Tianjin, China, Clinical College of Ophthalmology Tianjin Medical University, Tianjin, China, Tianjin Eye Institute, Tianjin, China

  ⨯
• Lihong Yang,

  Roles Resources

  Affiliations Tianjin Eye Hospital, Tianjin, China, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin, China, Nankai University Affiliated Eye Hospital, Tianjin, China, Clinical College of Ophthalmology Tianjin Medical University, Tianjin, China, Tianjin Eye Institute, Tianjin, China

  ⨯
• Chunhua Sun,

  Roles Resources

  Affiliations Tianjin Eye Hospital, Tianjin, China, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin, China, Nankai University Affiliated Eye Hospital, Tianjin, China, Clinical College of Ophthalmology Tianjin Medical University, Tianjin, China, Tianjin Eye Institute, Tianjin, China

  ⨯
• Ye Pan ,

  Contributed equally to this work with: Ye Pan, Hong Zhao

  Roles Conceptualization, Investigation, Methodology, Resources, Supervision

  * E-mail: 380502025@qq.com (YP); 277403716@qq.com (HZ)

  Affiliations Tianjin Eye Hospital, Tianjin, China, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin, China, Nankai University Affiliated Eye Hospital, Tianjin, China, Clinical College of Ophthalmology Tianjin Medical University, Tianjin, China, Tianjin Eye Institute, Tianjin, China

  https://orcid.org/0000-0002-3797-6424

  ⨯
• Hong Zhao

  Contributed equally to this work with: Ye Pan, Hong Zhao

  Roles Conceptualization, Investigation, Methodology, Resources, Supervision

  * E-mail: 380502025@qq.com (YP); 277403716@qq.com (HZ)

  Affiliations Tianjin Eye Hospital, Tianjin, China, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin, China, Nankai University Affiliated Eye Hospital, Tianjin, China, Clinical College of Ophthalmology Tianjin Medical University, Tianjin, China, Tianjin Eye Institute, Tianjin, China

  ⨯