Appendix 1. CENTRAL search strategy

#1 MeSH descriptor Dyslexia
#2 MeSH descriptor Learning Disorders
#3 MeSH descriptor Reading
#4 dyslexi*
#5 dyspraxi*
#6 dysmetri*
#7 read* near disorder*
#8 read* near difficult*
#9 read* near problem*
#10 learn* near disorder*
#11 learn* near difficult*
#12 learn* near problem*
#13 specific reading disorder*
#14 (#1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13)
#15 MeSH descriptor Lenses
#16 MeSH descriptor Sensory Aids
#17 MeSH descriptor Optometry
#18 lens* or filter* or overlay* or glasses or spectacle*
#19 eye* near aid*
#20 eye* near exercise*
#21 eye* near therap*
#22 eye* near gym*
#23 occlusion near therap*
#24 vis* near aid*
#25 vis* near exercise*
#26 vis* near therap*
#27 (#15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22 OR #23 OR #24 OR #25 OR #26)
#28 (#14 AND #27)

Appendix 2. MEDLINE search strategy

1. exp clinical trial/ [publication type]
2. (randomized or randomised).ab,ti.
3. placebo.ab,ti.
4. dt.fs.
5. randomly.ab,ti.
6. trial.ab,ti.
7. groups.ab,ti.
8. or/1‐7
9. exp animals/
10. exp humans/
11. 9 not (9 and 10)
12. 8 not 11
13. exp dyslexia/
14. exp learning disorders/
15. dyslexi$.tw.
16. dyspraxi$.tw.
17. dysmetri$.tw.
18. (read$ adj5 disorder$).tw.
19. (read$ adj5 difficult$).tw.
20. (read$ adj5 problem$).tw.
21. (learn$ adj5 disorder$).tw.
22. (learn$ adj5 difficult$).tw.
23. (learn$ adj5 problem$).tw.
24. specific reading disorder$.tw.
25. specific learning difficulties.tw.
26. or/13‐25
27. exp reading/
28. read$.tw.
29. exp lenses/
30. prism$.tw.
31. exp sensory aids/
32. exp optometry/
33. convergence$.tw.
34. accomodat$.tw.
35. (lens$ or filter$ or overlay$ or glasses or spectacle$).tw.
36. (eye$ adj5 aid$).tw.
37. (eye$ adj5 exercise$).tw.
38. (eye$ adj5 therap$).tw.
39. (eye$ adj2 gym$).tw.
40. tracking.tw.
41. occlusion.tw.
42. (vis$ adj5 aid$).tw.
43. (vis$ adj5 exercise$).tw.
44. (vis$ adj5 therap$).tw.
45. or/27‐44
46. 26 and 45
47. 12 and 46

To identify randomised controlled trials, this search will be combined with the Cochrane Highly Sensitive Search Strategy, all three phases as contained in the Cochrane Reviewers' Handbook (Alderson 2004).

Appendix 3. EMBASE search strategy

1. exp randomized controlled trial/
2. exp randomization/
3. exp double blind procedure/
4. exp single blind procedure/
5. random$.tw.
6. or/1‐5
7. (animal or animal experiment).sh.
8. human.sh.
9. 7 and 8
10. 7 not 9
11. 6 not 10
12. exp clinical trial/
13. (clin$ adj3 trial$).tw.
14. ((singl$ or doubl$ or trebl$ or tripl$) adj3 (blind$ or mask$)).tw.
15. exp placebo/
16. placebo$.tw.
17. random$.tw.
18. exp experimental design/
19. exp crossover procedure/
20. exp control group/
21. exp latin square design/
22. or/12‐21
23. 22 not 10
24. 23 not 11
25. exp comparative study/
26. exp evaluation/
27. exp prospective study/
28. (control$ or prospectiv$ or volunteer$).tw.
29. or/25‐28
30. 29 not 10
31. 30 not (11 or 23)
32. 11 or 24 or 31
33. exp dyslexia/
34. exp learning disorders/
35. exp reading/
36. dyslexi$.tw.
37. dyspraxi$.tw.
38. dysmetri$.tw.
39. (read$ adj5 disorder$).tw.
40. (read$ adj5 difficult$).tw.
41. (read$ adj5 problem$).tw.
42. (learn$ adj5 disorder$).tw.
43. (learn$ adj5 difficult$).tw.
44. (learn$ adj5 problem$).tw.
45. specific reading disorder$.tw.
46. or/33‐45
47. exp optical instrumentation/
48. exp general medical aids/
49. exp optometry/
50. (lens$ or filter$ or overlay$ or glasses or spectacle$).tw.
51. (eye$ adj5 aid$).tw.
52. (eye$ adj5 exercise$).tw.
53. (eye$ adj5 therap$).tw.
54. (eye$ adj2 gym$).tw.
55. occlusion therap$.tw.
56. (vis$ adj5 aid$).tw.
57. (vis$ adj5 exercise$).tw.
58. (vis$ adj5 therap$).tw.
59. or/47‐58
60. 46 and 59
61. 32 and 60

Appendix 4. LILACS search strategy

#1 dysprax$ or dysmetri$ or dyslexi$ or read$
#2 lens$ or filter$ or overlay$ or glass$ or spectacle$
#3 #1 and #2