INTRODUCTION Keratoconjunctivitis sicca or xerophthalmia is a common disorder,with increasing prevalence starting in the 5th decade of life and rising with age.A chronic,bilateral desiccation of the conjunctiva and co...INTRODUCTION Keratoconjunctivitis sicca or xerophthalmia is a common disorder,with increasing prevalence starting in the 5th decade of life and rising with age.A chronic,bilateral desiccation of the conjunctiva and cornea due to inadequate tear volume(aqueous tear-deficient keratoconjunctivitis sicca)or to excessive loss of tears due to accelerated evaporation because of poor tear quality(evaporative keratoconjunctivitis sicca).展开更多
文摘INTRODUCTION Keratoconjunctivitis sicca or xerophthalmia is a common disorder,with increasing prevalence starting in the 5th decade of life and rising with age.A chronic,bilateral desiccation of the conjunctiva and cornea due to inadequate tear volume(aqueous tear-deficient keratoconjunctivitis sicca)or to excessive loss of tears due to accelerated evaporation because of poor tear quality(evaporative keratoconjunctivitis sicca).
