Table 2.

Patient characteristics.

	Surgical Approach
	DALK	PK
Age (years)	28.6 ± 5.9	28.4 ± 8.6
Gender	♀:♂ 22:28	♀:♂ 16:24
Heredity (%)	Siblings (3) Parents (2)	Siblings (2) Parents (1)
Allergy (%)	General (32) - pollen (26) - drugs (3) - other (3)	General (29) - pollen (25) - drugs (3) - other (1)
Contact lenses intolerance (%)	11	9
Systemic diseases (%)	Atopic dermatitis (10) Asthma (9) Mitral valve prolapses (11) Hypothyroidism (2)	Atopic dermatitis (12) Asthma (4) Mitral valve prolapses (7) Arthritis (2)