. 2019 Dec 20;13:2553–2561. doi: 10.2147/OPTH.S228261

Table 1.

Changes in Tear LLT After Instillation of Study Eye Drops

	Mean LLT Change from Baseline with Omega-3–Containing Eye Drop	Mean LLT Change from Baseline with Non–Omega-3-Containing Eye Drop
Whole field
15 mins	8.8 nm^a	4.8 nm
1 hr	4.4 nm^a	–4.1 nm
Superior field
15 mins	6.6 nm^a	1.9 nm
1 hr	3.6 nm	–5.6 nm
Central field
15 mins	8.4 nm^a	5.1 nm
1 hr	4.0 nm	–3.5 nm
Inferior field
15 mins	11.7 nm^a	6.5 nm^a
1 hr	6.5 nm^a	–5.0 nm

Notes: ^aStatistically significant change in lipid layer when compared with baseline (P<0.05).

Abbreviation: LLT, lipid layer thickness.