Early detection of the risk of lung damage is important in support of timely screening and intervention, while methods such as X-ray or CT require specialized equipment and high cost. This study proposes a deep-based supplementary approach that is to classify the risk of lung damage from iridology imaging. The research process includes pre-processing of images, extracting the area of myopia, training and comparing the four models MobileNetV2, MobileNetV3, Vision Transformer and TinyViT on the same dataset. Experimental results show TinyViT achieves the best performance with Accuracy 91.30%, Recall 95.80%, F1-score 94.48% and 103 ms response time, showing the ability to balance between accuracy and cost calculation. The study also directed the integration of the model into the mobile application to support the initial screening in the community. The proposed system does not replace standard medical diagnostic methods, but serves as a tool to support early warning at low cost and flexible [...]

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The pupillary light reflex (PLR) indicates the function of the autonomic nervous system, which causes the pupil to constrict and dilate. Evaluation of the PLR determines the parasympathetic and sympathetic balance. We aimed to demonstrate autonomic changes by pupillometry in Parkinson’d disease (PD) and to investigate the relationship between the changes and motor stage and levodopa equivalent dose (LEDD).

Method

Static pupillometry measurement was performed at scotopic, mesopic and photopic settings. Dynamic pupillometry measurement was performed at 500 lux illumination and pupil diameter was recorded. Static and dynamic pupillometry parameters of Parkinson’s disease patients and healthy control group of similar age and gender were compared. The relationship between Unified Parkinson’s Disease Rating Scale (UPDRS)-motor, modified Hoehn and Yahr (mHYE) and levodopa equivalent daily dose (LEDD) and pupillometry parameters were analysed.

Results

In static pupillometry, mesopic pupil diameter was significantly lower in PD patients (P = 0.04). In dynamic pupillometry, pupil diameter was lower [...]

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To assess the relationships between aging and autonomic control of pupillary functions, TV-pupillometry and light reflex evaluation were performed in 52 healthy volunteers in the age range 15-75 years, grouped into four age classes (group 1: 15-29 years, Group 2: 30-44 years, Group 3: 45-59 years, Group 4: 60-75 years). Baseline light pupil diameter was found to be age-dependent, together with light reflex contraction velocity, which presented a linear correlation with age. Light reflex amplitude and half-redilatation velocity were reduced in older subjects, but presented only a weak linear correlation with age, while latency, contraction time and half-redilatation time percent of secondary dilatation and redilatation at 5 seconds did not show significant changes with age. These results confirm that there are important age-dependent changes in the mechanisms involved in pupillary autonomic functions, regarding both sympathetic and parasympathetic components. These changes appear to be easily detectable by making use of a sensitive and non-invasive technique [...]

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Purpose: This study aims to comprehensively investigate autonomic nervous system dysfunction in migraine patients using automated pupillometry, a non-invasive and objective assessment method.
Materials and Methods: This study was designed as a prospective, non-randomized clinical trial involving a total of 128 participants aged 18–59 years (64 migraine patients and 64 healthy controls). All participants underwent a comprehensive ophthalmological examination followed by automated pupillometry testing. Pupillometry measurements were performed under scotopic (dark), mesopic (dim light), and photopic (bright light) conditions, with subsequent recording of dynamic pupil dilation measurements.

Results: The mean pupil dilation velocity in migraine patients (0.11 ± 0.45 mm/s) was found to be significantly slower compared to the healthy control group (0.13 ± 0.46 mm/s). Additionally, a significant difference was observed between the two groups in pupil diameter under mesopic conditions. Analysis of dynamic pupil dilation revealed a significant difference at the 10th second of measurement between Group I (migraine patients; 5.63 [...]

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Obesity, characterized by excessive fat accumulation, arises from an imbalance between energy consumption and expenditure. It is a major risk factor for cardiovascular diseases, type 2 diabetes, and metabolic syndrome. In this retrospective case-control study, we examined the relationship between obesity and iris features frequently utilized in iridology, a practice that studies iris features to assess health conditions. We analyzed the correlation between iris markers and obesity obesity-related test results in 197 adults (99 obese, 98 normal-weight) using anonymized medical records and iris images. Obesity was defined as a BMI of 25 or higher. Trained practitioners examined iris images for
markers such as lacunae around the autonomic nerve wreath (ANW), toxic spots around ANW, protrusion around ANW, and lacunae in the cardiac region. They evaluated each marker using a 0-2 grading system. Obese individuals showed more pronounced features, including lacunae and toxic spots around ANW. Normal-weighted individuals showed thicker and more protruded ANW [...]

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