Garuda - Garba Rujukan Digital

High-Altitude Maculopathy in Mountaineers: A Systematic Review and Meta-Analysis Rataya Paramitha Maliawan; I Made Ady Wirawan; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 6 (2026): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i6.1613

Background: High-altitude maculopathy (HAM) represents a distinct form of high-altitude retinopathy affecting mountaineers at extreme elevations. Despite increased mountaineering activity, the prevalence and clinical significance of HAM remain poorly characterised in systematic reviews. Methods: A comprehensive systematic review and meta-analysis were conducted following PRISMA 2020 guidelines. Databases searched included PubMed, Scopus, Cochrane Library, and manual review of reference lists through April 2026. Eligible studies were prospective and retrospective cohorts reporting HAM prevalence in mountaineers at altitude ≥3,500 metres. Risk of bias was assessed using the Newcastle-Ottawa Scale. Meta-analysis employed the Freeman-Tukey double arcsine transformation with DerSimonian-Laird random-effects modelling. Results: Three prospective studies (n=50 mountaineers) were analysed with a pooled prevalence of 73.37% (95% confidence interval: 60.28–84.72%). Heterogeneity was absent (I²=0%, Q=0.78, p=0.678). Subgroup analysis demonstrated a higher prevalence at extreme altitude (≥5,000 m: 78.6%) versus very high altitude (3,500–4,999 m: 70%). Sensitivity ranged 67.48–83.76%. Funnel plot inspection revealed no evidence of publication bias. Conclusion: Approximately three-quarters of mountaineers experience HAM at high altitude, with prevalence increasing at extreme elevations. HAM represents a common but underrecognised altitude-related ocular complication. Future prospective studies should employ standardised diagnostic criteria and investigate the mechanistic pathways of macular involvement.

Effect of Simulated and Real Aircraft Cabin Environments on Tear Film Parameters in Dry Eye Disease: A Meta-Analysis Jelly Vianti Fransisca Oeitano; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita; I Made Ady Wirawan
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 6 (2026): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i6.1617

Background: Air travel exposes passengers to environmental stressors, such as reduced cabin pressure and low humidity, which may exacerbate ocular surface conditions, particularly pre-existing dry eye disease (DED). This meta-analysis quantifies the impact of real and simulated aircraft cabin environments on tear film parameters, ocular surface biomarkers, and intraocular pressure (IOP). Methods: Following PRISMA 2020 guidelines, a systematic search (January 2000–March 2026) identified ten eligible studies comprising 445 participants, with two providing complete quantitative data for meta-analytic pooling (10 effect sizes). Results: Using a random-effects model, the overall pooled standardised mean difference (SMD) was 0.97 (95% CI: -0.67 to 2.61), indicating a large but non-significant effect with substantial heterogeneity (I2 = 97.23%). Subgroup analyses revealed a non-significant pooled effect for tear film outcomes (Hedges' g = 0.71), contrasted by a significant elevation in IOP for gas-filled eyes (g = 1.92; p = 0.001). Despite the non-significant overall pooled estimate, individual effect sizes demonstrated large, clinically meaningful reductions in tear break-up time (TBUT) and significant increases in both corneal staining and inflammatory biomarkers (MMP-9 and IL-6). Egger's test showed no publication bias, though GRADE certainty remained low to very low. Conclusion: Aircraft cabin environments induce clinically significant deteriorations in tear film stability, ocular surface integrity, and inflammation, alongside significant IOP elevations in susceptible individuals. These findings underscore the necessity of pre-flight ocular counselling and targeted preventive strategies for at-risk passengers, highlighting the need for future large-scale, standardised investigations.

Successful Management of Culture-Negative Fungal Keratitis with Epithelial Keratectomy and Intracameral Fluconazole Injection: A Case Report Kristian Dernitra; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 6 (2026): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i6.1619

Background: Fungal keratitis is a major cause of corneal blindness in tropical regions. Microbiological culture often yields negative results in up to 40% of clinically suspected cases, creating diagnostic and therapeutic challenges. This report describes successful management of culture-negative suspected fungal keratitis using epithelial keratectomy combined with intracameral fluconazole injection. Case presentation: A 58-year-old male presented with progressive visual loss in the left eye following mud exposure and irrigation with river water. Examination revealed a 3×3 mm paracentral corneal ulcer with stromal infiltration exceeding one-third depth, satellite lesions, and 1.5 mm hypopyon. Gram stain, potassium hydroxide preparation, and culture were all negative. Based on clinical suspicion of fungal etiology, the patient underwent epithelial keratectomy with intracameral fluconazole injection, supplemented by intensive topical and systemic antifungal therapy. Progressive improvement was observed, with complete hypopyon resolution by day 26 and visual acuity improving from 1/300 to 6/30 over four months. Conclusion: This case demonstrates that timely invasive antifungal intervention guided by clinical judgment can achieve favorable outcomes in culture-negative suspected fungal keratitis. The preservation of useful vision without corneal transplantation is particularly significant in resource-limited settings, underscoring the critical role of clinical decision-making when laboratory confirmation is unavailable.

Intraocular Pressure Dynamics and Ischaemic Risks During Air Travel Post-Gas Tamponade: A Systematic Review and Meta-Analysis Vina Yuwanda; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita; I Made Ady Wirawan
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 6 (2026): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i6.1606

Background: Gas tamponade is a widely used surgical intervention for retinal detachment repair. However, intraocular gas bubbles expand at altitude owing to Boyle's law, potentially causing severe intraocular pressure (IOP) elevation and ischaemic complications. The safety of air travel for patients with residual intraocular gas remains insufficiently characterised. Methods: We conducted a systematic review and meta-analysis of empirical and computational studies examining IOP dynamics during simulated or actual altitude exposure in eyes with intraocular gas. We searched MEDLINE, Embase, Web of Science, Scopus and PubMed Central through March 2024 for peer-reviewed publications without language restrictions. Study selection followed PRISMA 2020 guidelines with predefined eligibility criteria. Data were extracted in duplicate, and risk of bias assessed using the Newcastle-Ottawa Scale. Random-effects meta-analysis calculated standardised mean differences (SMD) with 95% confidence intervals (CI). Sensitivity analyses stratified findings by study type. Results: The primary analysis included three empirical studies (n = 47 eyes) showing IOP increase of SMD = 3.03 (95% CI: 2.18–3.89; I² = 17.16%, τ² = 0.11). Sensitivity analysis including all four studies (one computational model) yielded SMD = 4.67 (95% CI: 1.52–7.82; I² = 95.67%, τ² = 9.81). Individual study estimates ranged from SMD = 2.52 (Mills 2001) to SMD = 8.65 (Gsellman 2016, computational). Risk of bias was generally low to moderate. No significant publication bias was detected. Conclusion: Patients with residual intraocular gas who undertake air travel face meaningful IOP elevation at altitude. The risk of anterior segment ischaemic complications warrants careful patient counselling, altitude restriction recommendations, and prophylactic pharmacotherapy. Future prospective studies should evaluate optimal clinical protocols.

High-Altitude Maculopathy in Mountaineers: A Systematic Review and Meta-Analysis Rataya Paramitha Maliawan; I Made Ady Wirawan; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 6 (2026): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i6.1613

Background: High-altitude maculopathy (HAM) represents a distinct form of high-altitude retinopathy affecting mountaineers at extreme elevations. Despite increased mountaineering activity, the prevalence and clinical significance of HAM remain poorly characterised in systematic reviews. Methods: A comprehensive systematic review and meta-analysis were conducted following PRISMA 2020 guidelines. Databases searched included PubMed, Scopus, Cochrane Library, and manual review of reference lists through April 2026. Eligible studies were prospective and retrospective cohorts reporting HAM prevalence in mountaineers at altitude ≥3,500 metres. Risk of bias was assessed using the Newcastle-Ottawa Scale. Meta-analysis employed the Freeman-Tukey double arcsine transformation with DerSimonian-Laird random-effects modelling. Results: Three prospective studies (n=50 mountaineers) were analysed with a pooled prevalence of 73.37% (95% confidence interval: 60.28–84.72%). Heterogeneity was absent (I²=0%, Q=0.78, p=0.678). Subgroup analysis demonstrated a higher prevalence at extreme altitude (≥5,000 m: 78.6%) versus very high altitude (3,500–4,999 m: 70%). Sensitivity ranged 67.48–83.76%. Funnel plot inspection revealed no evidence of publication bias. Conclusion: Approximately three-quarters of mountaineers experience HAM at high altitude, with prevalence increasing at extreme elevations. HAM represents a common but underrecognised altitude-related ocular complication. Future prospective studies should employ standardised diagnostic criteria and investigate the mechanistic pathways of macular involvement.

Effect of Simulated and Real Aircraft Cabin Environments on Tear Film Parameters in Dry Eye Disease: A Meta-Analysis Jelly Vianti Fransisca Oeitano; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita; I Made Ady Wirawan
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 6 (2026): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i6.1617

Background: Air travel exposes passengers to environmental stressors, such as reduced cabin pressure and low humidity, which may exacerbate ocular surface conditions, particularly pre-existing dry eye disease (DED). This meta-analysis quantifies the impact of real and simulated aircraft cabin environments on tear film parameters, ocular surface biomarkers, and intraocular pressure (IOP). Methods: Following PRISMA 2020 guidelines, a systematic search (January 2000–March 2026) identified ten eligible studies comprising 445 participants, with two providing complete quantitative data for meta-analytic pooling (10 effect sizes). Results: Using a random-effects model, the overall pooled standardised mean difference (SMD) was 0.97 (95% CI: -0.67 to 2.61), indicating a large but non-significant effect with substantial heterogeneity (I2 = 97.23%). Subgroup analyses revealed a non-significant pooled effect for tear film outcomes (Hedges' g = 0.71), contrasted by a significant elevation in IOP for gas-filled eyes (g = 1.92; p = 0.001). Despite the non-significant overall pooled estimate, individual effect sizes demonstrated large, clinically meaningful reductions in tear break-up time (TBUT) and significant increases in both corneal staining and inflammatory biomarkers (MMP-9 and IL-6). Egger's test showed no publication bias, though GRADE certainty remained low to very low. Conclusion: Aircraft cabin environments induce clinically significant deteriorations in tear film stability, ocular surface integrity, and inflammation, alongside significant IOP elevations in susceptible individuals. These findings underscore the necessity of pre-flight ocular counselling and targeted preventive strategies for at-risk passengers, highlighting the need for future large-scale, standardised investigations.

Successful Management of Culture-Negative Fungal Keratitis with Epithelial Keratectomy and Intracameral Fluconazole Injection: A Case Report Kristian Dernitra; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 6 (2026): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i6.1619

Background: Fungal keratitis is a major cause of corneal blindness in tropical regions. Microbiological culture often yields negative results in up to 40% of clinically suspected cases, creating diagnostic and therapeutic challenges. This report describes successful management of culture-negative suspected fungal keratitis using epithelial keratectomy combined with intracameral fluconazole injection. Case presentation: A 58-year-old male presented with progressive visual loss in the left eye following mud exposure and irrigation with river water. Examination revealed a 3×3 mm paracentral corneal ulcer with stromal infiltration exceeding one-third depth, satellite lesions, and 1.5 mm hypopyon. Gram stain, potassium hydroxide preparation, and culture were all negative. Based on clinical suspicion of fungal etiology, the patient underwent epithelial keratectomy with intracameral fluconazole injection, supplemented by intensive topical and systemic antifungal therapy. Progressive improvement was observed, with complete hypopyon resolution by day 26 and visual acuity improving from 1/300 to 6/30 over four months. Conclusion: This case demonstrates that timely invasive antifungal intervention guided by clinical judgment can achieve favorable outcomes in culture-negative suspected fungal keratitis. The preservation of useful vision without corneal transplantation is particularly significant in resource-limited settings, underscoring the critical role of clinical decision-making when laboratory confirmation is unavailable.

Prevalence and Etiology of Ocular Morbidity in Maritime Environments: A Systematic Review and Meta-Analysis of Passenger and Crew Data Iska Novi Udayani; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita; I Made Ady Wirawan
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 3 (2026): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i3.1526

Background: The maritime environment constitutes a unique epidemiological enclosure characterized by isolation, specific occupational hazards, and distinct environmental stressors including hyper-salinity and high ultraviolet (UV) albedo. While gastrointestinal and respiratory outbreaks at sea are well-documented, the burden of ocular morbidity remains under-quantified. This study aims to determine the prevalence and etiology of ocular emergencies, stratifying risks between industrial seafarers (crew) and recreational travelers (passengers). Methods: A systematic review and meta-analysis were conducted following PRISMA 2020 guidelines. Data were extracted from eight observational studies (2014–2024) covering expedition cruises, commercial shipping, and leisure voyages. To address population heterogeneity, a stratified analysis was performed: Track A analyzed occupational trauma in crew, while track B analyzed environmental morbidity in passengers. A random-effects model was used to calculate pooled proportions with 95% Confidence Intervals (CI), accompanied by a leave-one-out sensitivity analysis. Results: The dataset represented a combined population of over 5,000 maritime subjects. The pooled prevalence of ocular involvement in maritime trauma cases was 18.4% (95% CI: 12.1%–25.5%). Etiological analysis of crew injuries revealed a dominance of mechanical trauma, specifically metallic foreign bodies (40.5%), followed by chemical burns (26.2%). In contrast, passenger morbidity was driven by environmental factors (photokeratitis, dry eye) and infectious conjunctivitis. Conclusion: Ocular emergencies represent a significant, preventable burden in maritime travel, with distinct risk profiles for crew and passengers. The high rate of occupational trauma suggests a failure in personal protective equipment (PPE) compliance, while the environmental burden reflects the dry ship phenomenon. Mandatory protective eyewear policies and the integration of anterior-segment tele-ophthalmology are critical interventions.

The Ocular Toll of Drug Tourism: A Systematic Review and Meta-Analysis of Cannabis and Methamphetamine Impact on Retinal Architecture and Pupillary Dynamics Fransiska Lavinia Gracella; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita; I Made Ady Wirawan
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 5 (2026): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i5.1584

Background: Drug tourism involves individuals traveling across international borders to access recreational illicit substances. While psychiatric and cardiovascular toxicities of substances like cannabis and methamphetamine are established, quantitative data regarding their impact on ocular microstructures and functional dynamics remain scarce. This study aims to systematically review and meta-analyze the structural and functional ocular alterations induced by these substances. Methods: A systematic review and meta-analysis complying with Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were conducted. Electronic databases (PubMed, Scopus, Web of Science, Cochrane Library) were searched from inception to January 2026. Data extraction targeted pupillary dynamics and structural optical coherence tomography measurements. Methodological quality was assessed using the Newcastle-Ottawa Scale and Cochrane Risk of Bias tools. A DerSimonian-Laird random-effects model was utilized in Review Manager 5.4 to pool continuous data, calculating Standardized Mean Differences and 95% Confidence Intervals. Heterogeneity was evaluated via the I-squared statistic. Results: Nine primary research articles were included. The mean Newcastle-Ottawa Scale score was 8.1, indicating a low risk of bias. Chronic cannabis users exhibited significantly reduced pupillary constriction velocity (Standardized Mean Difference -0.85, 95% Confidence Interval -1.20 to -0.50, p < 0.001), prolonged reaction latency (Standardized Mean Difference 0.65, 95% Confidence Interval 0.30 to 1.00, p < 0.01), and decreased corneal endothelial cell density (Standardized Mean Difference -0.78, 95% Confidence Interval -1.15 to -0.41, p < 0.001). Methamphetamine abuse was associated with profound global retinal nerve fiber layer thinning (Standardized Mean Difference -1.12, 95% Confidence Interval -1.55 to -0.69, p < 0.001) and reduced minimum rim width (Standardized Mean Difference -0.95, p < 0.001). Conclusion: Recreational cannabis and methamphetamine abuse cause significant, quantifiable ocular morbidity. Methamphetamine induces ischemic neurodegenerative retinal loss, while cannabis disrupts autonomic pupillary pathways and corneal integrity. Comprehensive ophthalmological screening is critical for individuals with substance abuse histories.

Prevalence and Etiology of Ocular Morbidity in Maritime Environments: A Systematic Review and Meta-Analysis of Passenger and Crew Data Iska Novi Udayani; I Gusti Ayu Made Juliari; Ida Ayu Ary Pramita; I Made Ady Wirawan
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 3 (2026): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i3.1526

Background: The maritime environment constitutes a unique epidemiological enclosure characterized by isolation, specific occupational hazards, and distinct environmental stressors including hyper-salinity and high ultraviolet (UV) albedo. While gastrointestinal and respiratory outbreaks at sea are well-documented, the burden of ocular morbidity remains under-quantified. This study aims to determine the prevalence and etiology of ocular emergencies, stratifying risks between industrial seafarers (crew) and recreational travelers (passengers). Methods: A systematic review and meta-analysis were conducted following PRISMA 2020 guidelines. Data were extracted from eight observational studies (2014–2024) covering expedition cruises, commercial shipping, and leisure voyages. To address population heterogeneity, a stratified analysis was performed: Track A analyzed occupational trauma in crew, while track B analyzed environmental morbidity in passengers. A random-effects model was used to calculate pooled proportions with 95% Confidence Intervals (CI), accompanied by a leave-one-out sensitivity analysis. Results: The dataset represented a combined population of over 5,000 maritime subjects. The pooled prevalence of ocular involvement in maritime trauma cases was 18.4% (95% CI: 12.1%–25.5%). Etiological analysis of crew injuries revealed a dominance of mechanical trauma, specifically metallic foreign bodies (40.5%), followed by chemical burns (26.2%). In contrast, passenger morbidity was driven by environmental factors (photokeratitis, dry eye) and infectious conjunctivitis. Conclusion: Ocular emergencies represent a significant, preventable burden in maritime travel, with distinct risk profiles for crew and passengers. The high rate of occupational trauma suggests a failure in personal protective equipment (PPE) compliance, while the environmental burden reflects the dry ship phenomenon. Mandatory protective eyewear policies and the integration of anterior-segment tele-ophthalmology are critical interventions.

Title

Found 31 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 31 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 31 Documents
Search