Seasonal Affective Disorders Linked to Age-Related Macular Degeneration

Researchers at the Second Affiliated Hospital of Xi'an Medical University in China have discovered a significant association between age-related macular degeneration (AMD) and seasonal affective disorder (SAD). The study, published in Actas Espanolas de Psiquiatria, aimed to explore the influence of AMD on SAD and assess the correlation of ocular pathology with lifestyle and mental health factors.

The researchers recruited 158 AMD patients and divided them into two groups: those with SAD (n = 58) and those without SAD (n = 100). The study found significant differences in ocular pathological characteristics, lifestyle factors, and mental health status between the two groups. Specifically, the non-SAD group had better vision, longer exercise duration, sunlight exposure time, outdoor activity, and lower sedentary behavior.

Key Takeaways:

  • The study found a significant association between age-related macular degeneration (AMD) and seasonal affective disorder (SAD).
  • The non-SAD group had significantly better vision, longer exercise duration, sunlight exposure time, outdoor activity, and lower sedentary behavior compared to the SAD group.
  • The study suggests that visual function and lifestyle play a crucial role in regulating mood and circadian rhythm in AMD patients.
  • The researchers recruited 158 AMD patients and divided them into two groups: those with SAD (n = 58) and those without SAD (n = 100).
  • The study found significant differences in ocular pathological characteristics, lifestyle factors, and mental health status between the two groups.
  • The study highlights the importance of considering AMD as a potential risk factor for SAD and vice versa.

Statistics:

  • 158 AMD patients were recruited for the study.
  • 58 patients were diagnosed with SAD, while 100 patients were not diagnosed with SAD (n = 100).
  • The non-SAD group had significantly better vision (p < 0.05).
  • The non-SAD group had longer exercise duration (p < 0.05).
  • The non-SAD group had greater sunlight exposure time (p < 0.05).
  • The non-SAD group had higher outdoor activity levels (p < 0.05).
  • The SAD group had higher sedentary behavior levels (p < 0.05).

Sources:

  • Evaluating the Impact of Age-Related Macular Degeneration on Seasonal Affective Disorder: A Retrospective Cohort Study in a Chinese Population. Actas Espanolas de Psiquiatria, 2025;53(5):939-946.
  • NewsRx. Research Results from Second Affiliated Hospital of Xi'an Medical University Update Understanding of Seasonal Affective Disorders (Evaluating the Impact of Age-Related Macular Degeneration on Seasonal Affective Disorder: A Retrospective Cohort ...). Mental Health Weekly Digest. November 3, 2025; p 336.