Analysis of the two tests combined showed increased sensitivity for detecting exudative AMD, compared to either test alone. Below lists the references.

White noise field campimetry. A new form of perimetric examination
Aulhorn E, Köst G. Rauschfeldkampimetrie. Eine neuartige perimetrische Untersuchungsweise. Klin Monbl Augenheilkd. 1988 Apr;192(4):284-8. German. doi: 10.1055/s-2008-1050114. PMID: 3404938.

Noise Field Perimetry for Screening Central Scotomas in Age Related Macular Degeneration.
Kenzo Koike, Megan Hohenberger, Kendall Wannamaker, Rupal H Trivedi, Jan A Kylstra, Department of Ophthalmology, Medical University of South Carolina; Invest. Ophthalmol. Vis. Sci. 2015;56(7 ):3152.

The Utility of Entoptic Perimetry as a Screening Test for Cytomegalovirus Retinitis.
Plummer DJ, Banker A, Taskintuna I, et al. Arch Ophthalmol. 1999;117(2):202–207. doi:10.1001/archopht.117.2.202

Early detection of age related macular degeneration: current status.
Schwartz R, Loewenstein A. Int J Retina Vitreous. 2015 Dec 1;1:20. doi: 10.1186/s40942-015-0022-7. PMID: 27847613; PMCID: PMC5088451.

Diagnostic Accuracy of the Amsler Grid Test for Detecting Neovascular Age-Related Macular Degeneration: A Systematic Review and Meta-analysis.
Bjerager J, Schneider M, Potapenko I, et al. JAMA Ophthalmol. 2023;141(4):315–323. doi:10.1001/jamaophthalmol.2022.6396

Amsler Grid
Tripathy K, Salini B. Amsler Grid. [Updated 2023 Aug 25]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK538141/