First of all, population
data for the district are needed. The local or national census office
usually has the latest census data or population projections, by age group,
gender, urban-rural distribution, and growth rate. Another reliable
source is the planning unit of the ministry of health. If such data are
not available in these locations, the internet sites mentioned under “Population
data” may provide such data for your country.
Also, collect general indicators such as literacy rates, under-5 mortality
rate, and the coverage of measles and rubella vaccination. Finally, obtain
detailed maps of the area being considered.
Then, collect output data relating
to all activities for the prevention and control of blindness
during the previous five years from all partners that provide eye care
services in the district. Minimal data should include the following.
- Performance data for eye care during the past five years for the entire
- admissions per unit; total admissions per year
- outpatients per unit; total outpatients per year
- cataract operations per unit; total cataract operations per year
- cataract surgeons per unit; total cataract surgeons in the district
- proportion of intraocular lenses (IOLs) implanted per unit; total
number of IOLs implanted per year
- other operations per unit; total number of other operations per year
- persons provided with spectacles per unit; total persons provided
with spectacles per year
- number of people provided with low-vision care per unit; total number
- For trachoma, onchocerciasis and/or vitamin A deficiency, if applicable:
- total number of people treated for active trachoma per year
- total number of people operated for trichiasis per year
- total number of people treated with ivermectin per year
- whether a vitamin A supplementation or fortification programme is
- number of children provided with vitamin A per unit; total per year.
- Combining these figures with other data will provide the following
- the Cataract Surgical Rate (number of cataract operations per million
population per year)
- average number of cataract operations per eye surgeon per year
- average number of cataract operations per eye unit per year
- utilization of staff and surgical units per year
- population per eye surgeon per year
- population per eye bed per year, etc.
A specially designed spreadsheet format to enter data related to cataract,
refractive errors, trachoma and onchocerciasis, and to automatically calculate
related indicators, is provided under “Templates”, “Planning
Open worksheet “Output” and enter the data for the area of
concern. Data on human resources and
infrastructure should be entered in the respective worksheets.
To complete this part of the situation
analysis, identify constraints to output and propose possible actions
to overcome them. Detailed analysis can be facilitated by the “Situation
analysis” template, using one form for each disease intervention.
- Collect population data, general and health indicators.
- Collect detailed maps of the area(s) of concern.
- Collect output data from all partners in the district over
the previous five years.
- Collect indicators on coverage and outcome.
- Calculate output and coverage indicators per year.
- Indicate constraints to output and propose actions to overcome
is Cataract Surgical Rate
is Cataract Surgical Coverage
Surgical Coverage: an indicator to measure the impact of cataract intervention
Nations online population database
Nations Population Information Network