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Clinical examinations and blood tests were conducted on days 3, 7, 10, 14, and 21. The blood investigation included the determination of neopterin (NP) level, white blood cell counts, lymphocytes, CD3+, CD4+, CD8+, and CD16+.Results: The peak in white blood cell count was observed on days 7 and 10 (6.4 \u00b1 0.4 g\/L and 6.0 \u00b1 0.3 g\/L, respectively), lymphocytes on day 3 (68.3% \u00b1 2.4%, 3.0 \u00b1 0.2 g\/L), CD3+ on day 7 (64.9% \u00b1 3.1%, 2,032.5 \u00b1 91.2 cells\/\u00b5L), CD4+ and CD16+ on day 10 (54.6% \u00b1 3.8%, 2,462.3 \u00b1 60.7 cells\/\u00b5L and 21.8% \u00b1 1.8%, 691.2 \u00b1 37.1 cells\/\u00b5L, respectively). All these values did not return to the initial ones. There was a gradual decrease in the CD8+ count from day 3 (12.5% \u00b1 1.1%, 142.8 \u00b1 9.1 cells\/\u00b5L) with a subsequent gradual return towards normal levels by day 21. NP levels incresed on day 3 (5.2 \u00b1 0.7 nmol\/L), sustained on day 7 (5.2 \u00b1 0.8 nmol\/L), and started to decrease from day 10 (4.25 \u00b1 1.7 nmol\/L) to 2.3 \u00b1 0.5 nmol\/L on day 21. The highest correlation was observed between clinical manifestations and NP with a correlation coeffient of 0.799 (95% confidence interval, 0.719\u20130.858), which was significantly stronger (p &lt; 0.05) than the correlations with other immune response markers.Conclusions: During the modeling of EAU, there is an active immune response and a rapid reaction of NP on inflammation. NP is a significantly more sensitive marker of intraocular inflammation than the immune response. It can serve as a predictor of the onset and development of EAU.<\/jats:p>","DOI":"10.3341\/kjo.2024.0118","type":"journal-article","created":{"date-parts":[[2025,5,28]],"date-time":"2025-05-28T23:22:00Z","timestamp":1748474520000},"page":"258-268","update-policy":"https:\/\/doi.org\/10.3341\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Neopterin Levels and Immune Response in Autoimmune Uveitis in an 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