Background. The prevalence of low vision and blindness in persons across the lifespan means that occupational therapists will encounter these conditions across all areas of practice. Practitioners must be equipped with competencies necessary to recognize and respond to vision loss-related concerns. Purpose. This study sought to identify essential occupational therapy competencies when providing services to people with low vision and blindness. Method. The study employed a three-phase modified Delphi methodology administered through online surveys and focus group. Respondents included people with low vision or blindness, professionals with special expertise in low vision/blindness, and occupational therapists in other practice areas. Data were analyzed using an iterative, consensus-generating strategy involving quantitative analysis of competencies, qualitative input, and expert panel review. Findings. The process yielded a 51-item competency framework organized into six domains. Implications. The framework provides the foundation for a common curriculum for Canadian occupational therapy programs and for the creation of educational resources.

BACKGROUND: The quality of life related to visual function is a multidimensional construct that complements the functional assessment of patients with low vision. It shows the individual\'s perception of the course of ocular disease and its treatment within the framework of a value system and a sociocultural context. This clinical-epidemiological outcome is recognized as objective and valuable.
METHODS: A content validation study was conducted, which involved translating and back-translating the scale to evaluate semantic, idiomatic, conceptual, and experiential equivalence in the resulting version. The study included the participation of 21 individuals, and a quantitative evaluation was performed using Aiken\'s V coefficient to analyze the scores assigned in the categories of relevance and experiential capacity.
RESULTS: The questionnaire presentation was reorganized. The examples were expanded, and some optical aids were mentioned. Additionally, terms were changed to improve comprehension and reduce rudeness. Out of the 25 items, 11 had an Aiken V coefficient of less than 1.0.
CONCLUSIONS: The obtained version is comparable to the original questionnaire. However, the idiomatic twists specific to the local context emphasize the need for content validation to ensure correct interpretation and contribute to the updating of the scale.

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Bardet-Biedl syndrome is a rare autosomal recessive genetic disorder with heterogenous clinical manifestations. The present study reports the clinical features of a novel compound heterozygous genotype of the BBS2 gene in a 14-year-old girl and her 6-year-old sister who had complaints of early-onset low vision. Fundus images revealed retinitis pigmentosa-like changes, and full-field electroretinograms showed no amplitude for the rod or cone response in both patients. Interestingly, nystagmus was observed in the older sister. On physical examination, the sisters had moderate obesity without polydactyly, hypogonadism, or intellectual disability. Exome sequencing revealed a novel compound heterozygous genotype of BBS2 in the sisters, namely the paternally inherited NM_031885.5:c.534 + 1G > T variant and the maternally inherited NM_031885.5:c.700C > T (p.Arg234Ter) variant. Both variants were classified as pathogenic according to the American College of Medical Genetics and Genomics guidelines. This study provides useful information on the genotype-phenotype relationships of the BBS2 gene for genetic counseling and diagnosis.

We have devised a novel \"Point-and-Tap\" interface that enables people who are blind or visually impaired (BVI) to easily acquire multiple levels of information about tactile graphics and 3D models. The interface uses an iPhone\'s depth and color cameras to track the user\'s hands while they interact with a model. When the user points to a feature of interest on the model with their index finger, the system reads aloud basic information about that feature. For additional information, the user lifts their index finger and taps the feature again. This process can be repeated multiple times to access additional levels of information. For instance, tapping once on a region in a tactile map could trigger the name of the region, with subsequent taps eliciting the population, area, climate, etc. No audio labels are triggered unless the user makes a pointing gesture, which allows the user to explore the model freely with one or both hands. Multiple taps can be used to skip through information levels quickly, with each tap interrupting the current utterance. This allows users to reach the desired level of information more quickly than listening to all levels in sequence. Experiments with six BVI participants demonstrate that the approach is practical, easy to learn and effective.

BACKGROUND: Severe fatigue is a common symptom for people with visual impairment, with a detrimental effect on emotional functioning, cognition, work capacity and activities of daily living. A previous study found that depression was one of the most important determinants of fatigue, but less is known about disease-specific factors in this patient population. This study aimed to explore the association between visual impairment severity and fatigue in adults with low vision, both directly and indirectly, with vision-specific factors and depression as potential mediators.
METHODS: Cross-sectional data were collected from 220 Dutch low vision service patients by telephone interviews. Fatigue was defined as a latent variable by severity and impact on daily life. Potential mediators included vision-related symptoms, adaptation to vision loss and depression. Hypothesized structural equation models were constructed in Mplus to test (in)direct effects of visual impairment severity (mild/moderate, severe, blindness) on fatigue through above mentioned variables.
RESULTS: The final model explained 60% of fatigue variance and revealed a significant total effect of visual impairment severity on fatigue. Patients with severe visual impairment (reference group) had significantly higher fatigue symptoms compared to those with mild/moderate visual impairment (β = -0.50, 95% bias-corrected confidence interval [BC CI] [-0.86, -0.16]) and those with blindness (β = -0.44, 95% BC CI [-0.80, -0.07]). Eye strain & light disturbance, depression and vision-related mobility mediated the fatigue difference between the severe and mild/moderate visual impairment categories. The fatigue difference between the severe visual impairment and blindness categories was solely explained by eye strain & light disturbance. Moreover, depressive symptoms (β = 0.65, p < 0.001) and eye strain & light disturbance (β = 0.19, p = 0.023) were directly associated with fatigue independent of visual impairment severity.
CONCLUSIONS: Our findings indicate an inverted-U shaped relationship between visual impairment severity and fatigue in patients with low vision. The complexity of this relationship is likely explained by the consequences of visual impairment, in particular by strained eyes and depressive mood, rather than by severity of the disability itself.

UNASSIGNED: To evaluate the feasibility and outcomes of implanting the Smaller-Incision New-Generation Implantable Miniature Telescope (SING IMT) in pseudophakic patients affected by late-stage dry AMD.
UNASSIGNED: Five pseudophakic patients\' eyes with stable dry AMD were suitable for SING IMT implantation. Four eyes were excluded because of previous YAG laser capsulotomy. Patients underwent preoperative assessments, including visual acuity measurements and OCT scans.
UNASSIGNED: Surgical procedures were performed under peribulbar anesthesia, with careful IOL removal and SING IMT implantation. Postoperative follow-up was conducted at regular intervals to monitor visual acuity, device positioning and complications.
UNASSIGNED: Postoperative outcomes demonstrated improvements in visual acuity for most patients with an average gain in CDVA (Corrected Distance Visual Acuity) and CNVA (Corrected Near Visual Acuity) of 16,8 ± 10,2 and 13,8 ± 7,4 ETDRS letters, respectively. Limited complications have been observed. In one case, we observed dislocation of the device into the vitreous chamber, which we managed through vitrectomy and scleral fixation of the SING IMT using GoreTex suture.
UNASSIGNED: Despite being traditionally contraindicated for pseudophakic patients, SING IMT implantation in selected cases yielded favorable outcomes, indicating potential benefits for this population. Further research with larger sample sizes and longer follow-up periods is warranted to refine patient selection criteria and optimize surgical techniques.

Introduction Glaucoma is a chronic disease that can lead to severe visual impairment and blindness. Methods The study included 91 primary open-angle glaucoma patients aged 60 years and older (group 1) and 83 healthy controls (group 2) with similar age and gender distribution. The duration of the disease, the number of anti-glaucomatous drops used daily, and visual field parameters were recorded. All participants then underwent a comprehensive mental status examination by a psychiatrist and were administered the Geriatric Depression Scale (GDS). Results In Group 1, the mean duration of glaucoma was 10.2±6.0 years, and the mean number of drops used per day was 2.91±1.47 drops/day. According to visual field (24-2) data, the mean mean deviation (MD) was -7.76±4.78 dB and the mean pattern standard deviation (PSD) was 5.14±2.60 dB. According to the classification based on MD, 33 (36.3%) patients were in the early stage, 36 (39.5%) in the intermediate stage, and 22 (24.2%) in the advanced stage. The mean best-corrected visual acuity (BCVA) was 0.85±0.38 logMAR in group 1 and 0.34±0.19 logMAR in group 2. The mean GDS scores were 13.7±7.23 points in group 1 and 3.61±1.71 points in group 2. There were statistically significant differences between the groups in terms of BCVA and GDS scores (p=0.039 and p<0.001, respectively). Conclusion In conclusion, it is important that ophthalmologists provide adequate information about glaucoma to prevent the development of depression in patients with glaucoma. This information may protect patients from uncertainty. A multidisciplinary approach in the management of glaucoma, a chronic and vision-threatening disease, can positively affect patients\' compliance with follow-up and treatment, increase the quality of healthcare, and improve treatment responses.

Personal smart technologies are becoming increasingly interwoven into everyday life, yet the usability and usefulness for some of these off-the-shelf technologies for persons with disabilities has yet to be determined. Smart speakers with both their native and downloadable functionalities (skills) have great potential to support individuals with disabilities through communication functionalities, smart home integrations, and more. However, the potential for usefulness does not always translate to how something is actually perceived or used in the real-world. Therefore, the objective of this qualitative study was to gather insight from individuals with disabilities on their experiences with smart speakers and smart speaker skills. Participant feedback highlighted several primary themes: (1) external factors that might influence extent of, and advancement in smart speaker use, (2) Smart speaker use barriers, (3) Smart speaker use facilitators, and (4) Smart speaker uses specific to individuals with disabilities. Continued research and development is needed to help ensure that commercially available technologies are designed with universal design principles that will ensure accessibility for all potential users.
Smart speaker skills are being used for smart home management by persons with disabilities, but these functionalities are not without barriers.Persons with various disabilities should be involved in the development and translation of smart speaker functions that are intended to, or that could, support the needs of this population.

UNASSIGNED: We determined over-the-counter magnifier usage rates by patients who newly presented for vision rehabilitation services, and sought to elucidate whether patients\' ratings of over-the-counter magnifiers were associated with vision rehabilitation management strategies.
UNASSIGNED: Retrospective records reviews of 274 new vision rehabilitation patients seen between 2021-2023 were completed by three optometric providers at an ophthalmic academic center, college of optometry, and private practice.
UNASSIGNED: Over half (58%) of patients tried an over-the-counter magnifier. Older age was significantly associated with trying over-the-counter magnifiers (OR:1.04; p < 0.001). Patients who tried an over-the-counter magnifier had significantly greater odds of the provider recommending and/or dispensing a prescribed hand-held optical illuminated magnifier (P< =0.04) or recommending a CCTV electronic magnifier (p = 0.049). The majority indicated over-the-counter magnifiers were somewhat (46%) or not helpful (38%). There was a significantly greater odds of rating the over-the-counter magnifier as not helpful when the provider subsequently recommended a CCTV (OR:4.8; p = 0.01) or higher spectacle-based near add power (OR: 2.0; p = 0.02).
UNASSIGNED: Since most new patients were unsatisfied with over-the-counter magnifiers, it is encouraging that previous over-the-counter magnifier use often led to upgrades with hand-held optical illuminated magnifiers prescribed by vision rehabilitation providers, or patients were transitioned to CCTV electronic magnifiers or spectacle-based high add powers for near reading. These findings support that older adults who have previously experienced that over-the-counter magnifiers were either helpful or unhelpful are ideal candidates to receive vision rehabilitation by optometric providers who can transition them to a prescribed magnification device to better support their visual functioning needs for near reading.
Over-the-counter magnifiers were deemed helpful by only a small proportion of visually-impaired patients who were newly seeking vision rehabilitation services; but there other are viable options for them, since optometric vision rehabilitation providers prescribed alternative magnification devices, such as spectacle-based high near add powers or electronic visual aids for patients.Patients who have previously tried an over-the-counter magnifier were often recommended and received a different magnification device from vision rehabilitation providers who should be encouraged to evaluate other aids in-office to determine if they are more acceptable and/or better suited to meet patients’ needs.For patients and their families who have not yet pursued vision rehabilitation, our findings indicate that they should not give up on magnifiers and remain open to the possibility of using other types of magnification that could be helpful, such as a different optical magnifier, prescription for strong near reading glasses, electronic video magnification, or visual assistive apps for smartphones or tablets.