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All Journal Bioscientia Medicina : Journal of Biomedicine and Translational Research Bioscientia Medicina : Journal of Biomedicine and Translational Research
Anak Agung Ayu Putri Prematura Sri Anasary
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Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology Neuroscience

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Baseline Visual Acuity as an Independent Predictor of Therapeutic Outcomes in HIV-Associated Cytomegalovirus Retinitis: A Three-Year Cohort Study in Indonesia Anak Agung Ayu Putri Prematura Sri Anasary; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 9 No. 12 (2025): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v9i12.1464

Abstract

Background: Cytomegalovirus (CMV) retinitis is a severe opportunistic infection causing irreversible blindness in patients with advanced human immunodeficiency virus (HIV). In the modern era of highly active antiretroviral therapy (HAART), understanding the key determinants of visual prognosis is critical for effective patient management, particularly in resource-limited settings. This study aimed to evaluate the clinical spectrum of CMVR and identify independent predictors of short-term visual outcomes in a cohort of HIV-positive patients in Indonesia. Methods: A retrospective cohort study was conducted on HIV-positive patients diagnosed with CMV retinitis between January 2021 and December 2023 at a tertiary referral hospital in Bali, Indonesia. Data on demographics, clinical features, CD4+ T-cell counts, HAART status, and visual acuity (VA) at baseline and three months were collected. Visual acuity was converted to the Logarithm of the Minimum Angle of Resolution (LogMAR) for analysis. A multivariable linear regression model was employed to identify independent predictors of three-month visual outcomes. Results: The study included 26 patients (38 eyes). The cohort was predominantly male (61.5%) with a mean age of 36.73 years. Severe immunosuppression was common, with 65.4% of patients having a CD4+ count below 50 cells/mm³. Posterior uveitis was the most frequent presentation (68.4%). In the multivariable linear regression analysis, baseline LogMAR VA was the only significant independent predictor of three-month LogMAR VA (β = 0.71, p < 0.001) after adjusting for age, CD4+ count, and HAART status. The baseline CD4+ T-cell count was not a significant independent predictor of visual outcome (p = 0.841). Conclusion: Baseline visual acuity, a direct functional measure of existing retinal damage, is the most powerful independent predictor of short-term visual prognosis in patients with HIV-associated CMV retinitis. This finding highlights the irreversible nature of retinal necrosis and underscores that the opportunity to save sight lies in preemptive action. We advocate for the urgent integration of routine ophthalmological screening into the care protocols for high-risk HIV populations to detect and treat CMVR before significant vision loss occurs.
Baseline Visual Acuity as an Independent Predictor of Therapeutic Outcomes in HIV-Associated Cytomegalovirus Retinitis: A Three-Year Cohort Study in Indonesia Anak Agung Ayu Putri Prematura Sri Anasary; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 9 No. 12 (2025): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v9i12.1464

Abstract

Background: Cytomegalovirus (CMV) retinitis is a severe opportunistic infection causing irreversible blindness in patients with advanced human immunodeficiency virus (HIV). In the modern era of highly active antiretroviral therapy (HAART), understanding the key determinants of visual prognosis is critical for effective patient management, particularly in resource-limited settings. This study aimed to evaluate the clinical spectrum of CMVR and identify independent predictors of short-term visual outcomes in a cohort of HIV-positive patients in Indonesia. Methods: A retrospective cohort study was conducted on HIV-positive patients diagnosed with CMV retinitis between January 2021 and December 2023 at a tertiary referral hospital in Bali, Indonesia. Data on demographics, clinical features, CD4+ T-cell counts, HAART status, and visual acuity (VA) at baseline and three months were collected. Visual acuity was converted to the Logarithm of the Minimum Angle of Resolution (LogMAR) for analysis. A multivariable linear regression model was employed to identify independent predictors of three-month visual outcomes. Results: The study included 26 patients (38 eyes). The cohort was predominantly male (61.5%) with a mean age of 36.73 years. Severe immunosuppression was common, with 65.4% of patients having a CD4+ count below 50 cells/mm³. Posterior uveitis was the most frequent presentation (68.4%). In the multivariable linear regression analysis, baseline LogMAR VA was the only significant independent predictor of three-month LogMAR VA (β = 0.71, p < 0.001) after adjusting for age, CD4+ count, and HAART status. The baseline CD4+ T-cell count was not a significant independent predictor of visual outcome (p = 0.841). Conclusion: Baseline visual acuity, a direct functional measure of existing retinal damage, is the most powerful independent predictor of short-term visual prognosis in patients with HIV-associated CMV retinitis. This finding highlights the irreversible nature of retinal necrosis and underscores that the opportunity to save sight lies in preemptive action. We advocate for the urgent integration of routine ophthalmological screening into the care protocols for high-risk HIV populations to detect and treat CMVR before significant vision loss occurs.
Tear Reservoir Thickness and Vector-Resolved Refractive Outcomes in Indonesian Corneal Ectasia: A Scleral Lens Pilot Study Anak Agung Ayu Putri Prematura Sri Anasary; Ariesanti Tri Handayani
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 2 (2025): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i2.1512

Abstract

Background: Corneal ectasia is characterized by high-order aberrations and irregular astigmatism, presenting significant optical challenges. Scleral lenses neutralize these irregularities via a post-lens tear reservoir. However, the precise optical contribution of the tear reservoir thickness itself to residual refractive error remains under-characterized, particularly in Southeast Asian populations where aggressive ectasia phenotypes are common. This study aimed to determine if tear reservoir thickness correlates with residual refractive error using vector analysis. Methods: This retrospective pilot study analyzed 12 eyes of 8 patients with severe corneal ectasia fitted with scleral lenses in Indonesia. Refractive outcomes were converted to Thibos power vectors (M, J0, J45). To account for bilateral eye correlations, linear mixed models (LMM) were employed with Patient ID as a random effect. A theoretical thick-lens model compared predicted versus observed over-refraction. Results: The cohort (mean age 28 ± 10.2 years) achieved significant visual improvement (LogMAR 0.35 to 0.17; p = 0.005). The mean tear reservoir thickness was 263.33 ± 80.92 μm. LMM analysis revealed no statistically significant correlation between fluid thickness and Spherical Equivalent (M) (beta = -0.001, p = 0.72) or Blur Strength (p = 0.68). The theoretical model indicated that residual error was driven by uncorrected posterior corneal astigmatism rather than fluid depth. Conclusion: In this Indonesian cohort, optical efficacy was driven by refractive index matching at the corneal interface, not reservoir thickness. Clinical fitting should prioritize physiological clearance over refractive manipulation.
Tear Reservoir Thickness and Vector-Resolved Refractive Outcomes in Indonesian Corneal Ectasia: A Scleral Lens Pilot Study Anak Agung Ayu Putri Prematura Sri Anasary; Ariesanti Tri Handayani
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 2 (2025): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i2.1512

Abstract

Background: Corneal ectasia is characterized by high-order aberrations and irregular astigmatism, presenting significant optical challenges. Scleral lenses neutralize these irregularities via a post-lens tear reservoir. However, the precise optical contribution of the tear reservoir thickness itself to residual refractive error remains under-characterized, particularly in Southeast Asian populations where aggressive ectasia phenotypes are common. This study aimed to determine if tear reservoir thickness correlates with residual refractive error using vector analysis. Methods: This retrospective pilot study analyzed 12 eyes of 8 patients with severe corneal ectasia fitted with scleral lenses in Indonesia. Refractive outcomes were converted to Thibos power vectors (M, J0, J45). To account for bilateral eye correlations, linear mixed models (LMM) were employed with Patient ID as a random effect. A theoretical thick-lens model compared predicted versus observed over-refraction. Results: The cohort (mean age 28 ± 10.2 years) achieved significant visual improvement (LogMAR 0.35 to 0.17; p = 0.005). The mean tear reservoir thickness was 263.33 ± 80.92 μm. LMM analysis revealed no statistically significant correlation between fluid thickness and Spherical Equivalent (M) (beta = -0.001, p = 0.72) or Blur Strength (p = 0.68). The theoretical model indicated that residual error was driven by uncorrected posterior corneal astigmatism rather than fluid depth. Conclusion: In this Indonesian cohort, optical efficacy was driven by refractive index matching at the corneal interface, not reservoir thickness. Clinical fitting should prioritize physiological clearance over refractive manipulation.
Co-Authors Ariesanti Tri Handayani, Ariesanti Tri I Gusti Ayu Made Juliari Ida Ayu Ary Pramita