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The purpose of this study is to understand the factors influencing Iranian tourists’ behavioural intention to use consumer-generated contents (CGC) websites whilst browsing the web when it comes to travel planning, based upon the Technology Acceptance Model (TAM) extension.

The total of 211 valid responses were collected through an online questionnaire survey. Data collected from Iranian online tourists were used to test the proposed research model by using the partial least squares structural equation modeling method of analysis.

The results of the study indicate that perceived source credibility is the strongest predictor for behavioural intention. Furthermore, in this study, the most significant relationship is between perceived enjoyment and perceived ease of use. However, the findings of this study show that perceived ease of use is unable to predict behavioural intention of Iranian tourists while using CGC websites.

This study provides clear evidence for the importance of additional key variables in improving the authors’ understanding of the Iranian adoption behaviour concerning CGC websites for travel planning purposes. Implications of this research can aid both academicians and practitioners towards a better understanding of tourists’ adoption behaviour when associated with the social media.

This paper adopts TAM and extends it with other variables, namely, perceived enjoyment, perceived source credibility and perceived risk. It examines their influence in the behavioural intention of using CGC for travel planning in the context of Iran for the first time.

Studies conducted on association between diet and cataract, found conflicting results. This paper aims to investigate the association between healthy eating index (HEI) and serum antioxidant and oxidant indices in patients with different degrees of cataract compared to the healthy subjects.

Ninety volunteers (aged > 50 years) were divided into the cataract (n = 45) and healthy control (n = 45) groups in this case-control study. Anthropometric variables, HEI score, serum total oxidant capacity (TOC) and total antioxidant capacity (TAC), blood pressure, physical activity and stress measurements were done for all participants.

There was a significant difference in stress level between subgroup of first-degree cataract and healthy controls (16.6 ± 2.3 vs 42.5 ± 29.0, p < 0.001) as well as third-degree cataract (16.6 ± 2.3 vs 75.2 ± 22.6, p < 0.001). Serum TAC was significantly higher in healthy people compared to the first-degree (1.2 ± 0.2 vs 1 ± 0.2, p = 0.002) and third-degree cataract patients (1.2 ± 0.2 vs 1.0 ± 0.2, p = 0.013). Also, serum TOC was significantly lower in healthy controls compared to the first-degree (8.2 ± 1.1 vs 9.2 ± 1.0, p = 0.006) and third-degree cataract patients (8.2 ± 1.1 vs 9.1 ± 1.2, p = 0.015). There was a significant direct correlation between moderation (r = 0.61, p = 0.019) and total score of HEI (r = 0.57, p = 0.031) with serum TAC only in the first-degree cataract patients. Also there was a significant negative correlation between moderation score of HEI with serum TOC in the first-degree cataract patients (r = −0.60, p = 0.025), and there was a significant negative correlation between moderation (r = −0.36, p = 0.017) and total score (r=−0.35, p = 0.021) of HEI and TOC in the total cataract patients.

To the best of the authors’ knowledge, this is the first study on the assessment of the relationship between components of HEI and serum antioxidant indicators in different types of cataract compared to healthy individuals. It could be a start point for more detailed and large-scaled studies, even intervention studies, in this field.