Scopus
YÖKSİS Eşleşti
Experimentally induced anisometropia thresholds for distance stereoacuity in adults: A psychophysical approach
Ophthalmic and Physiological Optics · Ocak 2025
YÖKSİS Kayıtları
Experimentally induced anisometropia thresholds for distance stereoacuity in adults: A psychophysical approach
Ophthalmic and Physiological Optics · 2025 SCI-Expanded
DOKTOR ÖĞRETİM ÜYESİ EMİNE TINKIR KAYITMAZBATIR →
Experimentally induced anisometropia thresholds for distance stereoacuity in adults: A psychophysical approach
Ophthalmic and Physiological Optics · 2025 SCI-Expanded
DOKTOR ÖĞRETİM ÜYESİ AYŞE BOZKURT OFLAZ →
Experimentally induced anisometropia thresholds for distance stereoacuity in adults: A psychophysical approach
Ophthalmic and Physiological Optics · 2025 SCI-Expanded
DOKTOR ÖĞRETİM ÜYESİ ŞULE ACAR DUYAN →
Makale Bilgileri
DergiOphthalmic and Physiological Optics
Yayın TarihiOcak 2025
Scopus ID2-s2.0-105014739275
Özet
Purpose: Stereopsis, a critical aspect of binocular vision, can be influenced by refractive errors. This study investigated how experimentally induced anisometropia affected distance stereopsis in adults and aimed to determine threshold levels for different types and amounts of experimentally induced anisometropia. Methods: Twenty healthy adults (aged 20–45 years) with normal visual acuity and baseline distance stereopsis were included. Distance stereopsis was assessed using the Distance Randot Stereotest at 3 m. Trial lenses inducing myopic, hyperopic and astigmatic anisometropia (axes: 45°, 90° and 180°) were applied over the dominant eye in 0.25 D increments. After each lens placement, a 30-s adaptation period preceded assessment of stereoacuity. At each disparity level (400, 200, 100 and 60 arc seconds), the minimum anisometropic lens power causing loss of stereoacuity was recorded. As per the test manual, each disparity level included plates A and B, but only B plate responses were analysed, as correct identification was required to proceed. Results: Experimentally induced myopic anisometropia led to the earliest loss of stereopsis, with a mean threshold of 1.38 D at the 400 arc seconds level. Against-the-rule astigmatism exhibited the greatest tolerance, requiring higher refractive errors to degrade stereoacuity (p < 0.001). At 400 and 200 arc seconds, even low levels of experimentally induced myopic anisometropia (<0.50 D) impaired stereopsis significantly (p < 0.001), whereas against-the-rule astigmatism did not affect stereopsis significantly until higher anisometropia levels were induced (60 and 100 arc seconds). Conclusions: Even low levels of experimentally induced myopic anisometropia may disrupt distance stereopsis in visually normal adults. These findings may highlight consideration of a precise refractive correction in the presence of anisometropia to optimise distance stereopsis.
Yazarlar (4)
1
Emine Tinkir Kayitmazbatir
2
Adem Ünal
ORCID: 0000-0001-6251-200X
3
Ayşe Bozkurt Oflaz
ORCID: 0000-0001-5894-0220
4
Sule Acar Duyan
ORCID: 0000-0002-9319-0477
Anahtar Kelimeler
anisometropia
binocular vision
distance stereopsis
myopic anisometropia
refractive errors
stereoacuity
Kurumlar
Selçuk Tip Fakültesi
Konya Turkey