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The Nudge

On-ground impact monitoring assessment with community members during rural field visit

The Nudge Institute

Partner/Client

The Nudge Institute

Sector

Health

Location

Ri Bhoi District, Meghalaya



Impact evaluation case study illustration with data charts

Key Highlights

  • The data collection exercise successfully covered 740 beneficiaries across 80 villages, exceeding planned targets while maintaining strong field quality.

  • The data collection found that 73.5% of participants were first-time eyeglass users, highlighting substantial unmet near-vision needs in rural communities.

  • Functional assessments conducted during data collection showed participants completed near-vision tasks faster and more efficiently after receiving reading glasses.

  • The data collection exercise recorded high programme acceptance, with 86.2% satisfaction and 84.1% of participants willing to recommend the intervention.

  • The exercise identified an important implementation gap, where strong participant satisfaction did not consistently translate into regular eyeglass usage.


Collaboration on an impact evaluation case study.

Approach

  • The study adopted a retrospective mixed-method data collection approach, combining structured beneficiary surveys, functional task assessments, and frontline worker interviews.

  • A purposive proportional sampling strategy was used to cover programme beneficiaries across 80 villages in Umsning Block, Meghalaya.

  • Data collection included 740 beneficiary interviews, 48 ASHA interviews, and 61 CGHA interviews to capture participant experiences and implementation processes.

  • Standardised digital Kobo questionnaires and observed functional near-vision task assessments were used to generate quantitative and implementation-level evidence.

  • The exercise focused on assessing programme implementation, eyeglass adoption and usage, functional improvements, and participant experiences to support programme learning and future scale-up.


Impact evaluation case study data charts by MainLevel Consulting

Insights and Findings

  • The programme reached a largely underserved population, with most beneficiaries being first-time eyeglass users who had previously struggled with near-vision tasks.

  • Functional task assessments showed that participants completed reading, grain sorting, and needle-threading activities faster and with greater ease after receiving reading glasses.


  • Most beneficiaries reported improved independence, confidence, and reduced reliance on family members while carrying out routine household and livelihood activities.

  • The intervention received strong community acceptance, reflected in high participant satisfaction and a willingness to recommend the programme to others.

  • The study identified opportunities to strengthen programme effectiveness through improved usage guidance, follow-up support, and more accurate screening for appropriate eyeglass power.


Recommendations / Value Addition

  • Strengthen post-distribution follow-up through regular counselling, usage reminders, and rescreening to encourage consistent use of reading glasses.

  • Improve screening accuracy and establish accessible replacement mechanisms to address discomfort, power mismatch, and damaged eyeglasses.

  • Refine community mobilisation strategies by scheduling outreach around local work patterns and strengthening communication on the quality and benefits of free eyeglasses.

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