Exhibit 4 – Historical Patient Statistics(Consolidated) Year | Paying(screening visits) | Paying(surgery) | Free and Camp(screening visits) | Free and Camp(surgery) | 1976 | - | 248 | - | - | 1977 | 15,381 | 980 | 2,366 | - | 1978 | 15,781 | 1,320 | 18,251 | 1,045 | 1979 | 19,687 | 1,612 | 47,351 | 2,430 | 1980 | 31,334 | 2,511 | 65,344 | 5,427 | 1981 | 39,470 | 3,139 | 75,727 | 8,172 | 1982 | 46,435 | 4,216 | 79,367 | 8,747 | 1983 | 56,540 | 4,889 | 101,469 | 11,220 | 1984 | 69,419 | 5,796 | 103,177 | 11,954 | 1985 | 89,441 | 7,194 | 153,037 | 17,586 | 1986 | 111,546 | 8,202 | 164,977 | 19,623 | 1987 | 121,828 | 9,971 | 180,181 | 21,562 | 1988 | 182,274 | 12,702 | 232,838 | 23,635 | 1989 | 203,907 | 15,103 | 290,859 | 25,867 | 1990 | 227,243 | 17,896 | 338,407 | 31,162 | 1991 | 241,643 | 19,511 | 327,692 | 31,979 | Total | 1,471,929 | 115,290 | 2,184,043 | 220,409 |
The 1990 and 1991 screening visits data includes camp patients as well as walk-in patients.
Exhibit 5 Patient Statistics: 1991 | Madurai | Tirunelveli | Theni | Total | Patients Screened | | | | | Total Patients Screened | 380,693 | 142,284 | 46,358 | 569,335 | Paying | 44.1% | 35.7% | 49.5% | 42.4% | Free | 55.9% | 64.3% | 50.5% | 57.6% | By source of visit | | | | | Hospital | 69.2% | 59.3% | 65.7% | 66.5% | Eye Camps | 31.8% | 40.7% | 34.3% | 33.5% | Surgeries | | | | | Total Surgeries | 39,557 | 9,911 | 2,022 | 51,490 | Paying | 41.6% | 26% | 24.3% | 37.9% | Free | 58.4% | 74% | 75.7% | 62.1% | | | | | Average | By type of surgery | | | | | Cataract(ICCE) | 59% | 66.8% | 75.9% | 61.1% | Cataract(ECCE) | 19.8% | 14.8% | 11.2% | 18.5% | Trabeculectomy | 0.9% | 0.8% | 0.6% | 0.9% | Retinal Detachment | 1% | 0.01% | - | 0.8% | Vitreous Surgery | 0.8% | - | - | 0.6% | Membranectomy | 0.2% | 0.02% | - | 0.1% | Squint Correction | 0.7% | - | - | 0.5% |