Table 5

Symptoms, signs, and treatment effect on patients in 10 year steps

Age (years)Precipitating cause
(No of eyes)
Laterality
(No of cases)
Perforation (No of eyes)Effect of therapy (%)
Bi Uni First procedure Second procedure Third and more procedures Final
14–24Cornea foreign body 5, chemical burns of eye 2, corneal abrasion 2, corneal penetrating wound 323421761.311.58.781.5
25–34Cornea foreign body 9, chemical burns of eye 4, corneal abrasion 329772465.18.95.379.3
35–44Cornea foreign body 6, chemical burns of eye 7, lagophthalmos 2, corneal abrasion 237951972.89.33.685.7
45–54Cataract extraction 3, pterygium extraction 433821669.413.74.187.2
55–64Cataract extraction 2, pterigium extraction 2, penetrating keratoplasty 125611058.512.16.777.3
65–74Cataract extraction 21116774.610.84.489.8
75–79None712267.59.65.582.6
  • Bi = bilateral; Uni = unilateral.