1) Ocular symptoms

At least one of the following 3 criteria

‒ Daily, persistent and bothersome sensation of dry eyes for more than 3 months

‒ Frequent sensation of “sand in the eyes”

‒ Use of artificial tears more than 3 times a day

2) Oral symptoms

At least one of the following 3 criteria

‒ Daily sensation of dry mouth for more than 3 months

‒ As an adult: recurrent or permanent episodes of parotid swelling

‒ Frequent consumption of liquid to swallow dry food 2/Oral symptoms

3) Objective signs of

ocular involvement

At least one of the 2 tests below positive

‒ Schirmer’s test ≤ 5 mm in one of the 2 eyes

‒ Van Bijsterveld score ≥ 4

4) Objective signs of

salivary involvement

At least one of the 3 tests below positive

‒ Unstimulated salivary flow

‒ Salivary scintigraphy

‒ Parotid scintigraphy

5) Histological signs

Lymphocytic sialadenitis (focus score ≥ 1 on BGSA) or Chisholm grade 3 or 4

6) Presence of autoantibodies

Presence of anti-Ssa (Ro) or anti-SSb (La) antibodies